PowerShell/Data/Abbr/general.csv

1	ABBR	MEANING
2	0D	obvious deed
3	1AM	Air Mechanic 1st Class
4	1D	One-Dimensional
5	2AM	Air Mechanic 2nd Class
6	2D	Two-dimensional
7	2LA	Two Letter Acronym
8	2Lt	2nd Lieutenant
9	3AM	Air Mechanic 3rd Class
10	3D	Three-Dimensional
11	3G	Third-generation mobile telephone system
12	3i	Investors In Industry (venture capitalists)
13	3M	Minnesota Mining and Manufacturing Company
14	4G	Fourth-generation mobile telephone system
15	4WD	Four-wheel drive
16	5D	Five-Dimensional
17	6D	Six-Dimensional
18	7D	Seven-Dimensional
19	8D	Eight-Dimensional
20	9D	Nine-Dimensional
21	A	Ampere
22	A10	Atlantic 10 Conference
23	A1C	Airman First Class
24	A4	European standard office paper size
25	aA	Attoampere
26	AAA	administration,authorization,and authentication,American Automobile Association ('Triple-A'),anti-aircraft artillery,Amateur Athletic Association (of England),Asistencia Asesoría y Administración (Spanish,'Assistance,Consulting,and Administration'—Mexican professional wrestling promotion)
27	AAAS	American Association for the Advancement of Science
28	AAAV	Advanced Amphibious Assault Vehicle
29	AADAC	Alberta Alcohol and Drug Abuse Commission
30	AADD	Adult attention deficit disorder
31	AADT	annual average daily traffic
32	AAFES	Army and Air Force Exchange Service
33	AAIS	advanced airborne interceptor simulator
34	AAM	air-to-air missile
35	AAMOF	as a matter of fact
36	AAN	American Academy of Nursing
37	AANEAS	Anglo-Australian Near-Earth Asteroid Survey
38	AAODL	Atmospheric Aerosols and Optics Data Library
39	AAPC	Accounting and Auditing Policy Committee
40	AARP	American Association of Retired Persons (now officially known only by the initials)
41	AASPEM	advanced air-to-air system performance evaluation model
42	AAT	Australian Antarctic Territory
43	AAV	Amphibious Assault Vehicle
44	AAWC	anti-air warfare commander
45	AB	Able Seaman (both the rank and the occupation),Alberta (postal symbol)
46	ABB	ASEA Brown Boveri (Swiss-Swedish multinational company)
47	ABBA	Agnetha,Benny,Björn,Anni-Frid (Swedish pop group)
48	ABC	the first three letters of the Latin script known as the alphabet
49	ABC	abstinence, be faithful, condoms
50	ABC	Active Body Control
51	ABC	airway, breathing, circulation
52	ABC	Alcoholic Beverage Commission
53	ABC	alien big cat
54	ABC	always be careful
55	ABC	American-born Chinese
56	ABC	anti-lock brake controller
57	ABC	atomic, biological, chemical
58	ABCS	(U.S.) Army Battle Command System
59	ABET	Accreditation Board for Engineering and Technology
60	ABFIST	Advanced Bradley Full Crew Interactive Skills Trainer
61	ABGI	Addington-Barker Group International
62	ABIN	Agência Brasileira de Inteligência (Brazilian Intelligence Agency)
63	ABL	American Basketball League
64	ABLE	AirBorne Law Enforcement (police air support unit)
65	ABMC	American Battle Monuments Commission
66	ABN	Australian Business Number (a number issued by the Australian government as registration of a business and used for taxation purposes)
67	ABPI	Association of the British Pharmaceutical Industry
68	ABRSM	Associated Board of the Royal Schools of Music
69	ABS	acrylonitrile butadiene styrene, or: anti-lock braking system
70	ABSA	Amalgamated Banks of South Africa
71	ABSTRIPS	abstraction-based STRIPS
72	ABV	Alcohol by volume
73	ABW	Aruba (ISO 3166 trigram)
74	Ac	Actinium
75	AC	Adriamycin-Cyclophosphamide (chemotherapy),Air Conditioning,Aircraftman,Alternating Current,Altocumulus,ante Christum (Latin,'before Christ'; see BC),ante cibum (Latin,'before meals'),Antigua and Barbuda (FIPS 10-4 country code),Associazione Calcio (Italian,'football (soccer) club'),A/C,Air Conditioned/Conditioning,Aircraft
76	aC	Attocoulomb
77	AC1	Aircraftman 1st Class
78	AC2	Aircraftman 2nd Class
79	ACA	Affordable Care Act,shorthand for the Patient Protection and Affordable Care Act,commonly called 'Obamacare',Airspace Control Authority,Airspace Co-ordination Area,A Current Affair
80	ACARS	Aircraft Communications Addressing and Reporting System
81	ACB	Asociación de Clubes de Baloncesto (Spanish for 'Association of Basketball Clubs')
82	ACCAC	Awdurdod Cymwysterau,Cwricwlwm ac Asesu Cymru (Qualifications,Curriculum and Assessment Authority for Wales)
83	ACCD	American Coalition of Citizens with Disabilities
84	ACCS	Air Communications and Control Squadron
85	ACDA	Arms Control & Disarmament Agency
86	ACDC	Alternating Current Direct Current,the name of an Australian rock music band,a term for a bisexual person,A/Cdre,Air Commodore
87	ACDT	Apple Certified Desktop Technician,Australian Central Daylight Time
88	ACES	Aerolíneas Centrales de Colombia (Spanish,'Central Colombian Airlines'),Auxiliary Campus Enterprises and Services of Alfred State College
89	ACF	Administration for Children and Families,American Car and Foundry,American Culinary Federation
90	ACHT	Average Call Hold Time
91	ACINT	Acoustic Intelligence
92	ACK	Acknowledge (telecommunications; cf. NAK)
93	ACL	Access Control List,Anterior cruciate ligament; the initialism can also refer to an injury to this ligament.,Atlantic Coast Line Railroad
94	ACLJ	American Center for Law and Justice
95	ACLOS	Automatic CLOS (missile control system)
96	ACLS	American Council of Learned Societies
97	ACLU	American Civil Liberties Union,American Communist Lawyers Union (pejorative slang for the above)
98	ACM	many,including Association for Computing Machinery; see entry
99	ACMC	(U.S.) Assistant Commandant of the Marine Corps
100	ACN	Airborne Communications Node,Australian Company Number (number issued by the Australian government as registration of a limited liability company)
101	ACNA	Anglican Church in North America
102	ACO	Airspace Control Order
103	ACOBA	Advisory Committee on Business Appointments
104	ACOG	American College of Obstetricians and Gynecologists
105	ACOM	(U.S.) Atlantic Command
106	ACORN	Association of Community Organizations for Reform Now
107	ACP	African,Caribbean and Pacific Group of States,Air Control Point
108	ACR	Advanced Concepts and Requirements
109	ACRI	African Crisis Initiative
110	ACRT	Advanced Concepts Research Tool simulator
111	ACS	Affiliated Computer Services (NYSE ACS),Alaska Communications Service,American Cancer Society,American Chemical Society,Association of Caribbean States,Australian Computer Society
112	ACSC	Army Command and Staff College (various nations)
113	ACST	American Cooperative School of Tunis
114	ACST	Australian Central Standard Time
115	ACT	Adaptive Control of Thought (cognitive model),American College Test (ing Program),Australian Capital Territory (also postal symbol),ACT UP,AIDS Coalition to Unleash Power
116	ACTD	Advanced Concept Technology Demonstration
117	ACTF	(U.S.) Army Constructive Training Federation,Australian Children's Television Foundation,ACT-R,ACT-Rational (cognitive model),ACT-R/PM,ACT-R/Perceptual-Motor (cognitive model)
118	ACTU	Australian Council of Trade Unions
119	ACU	American Conservative Union
120	ACUF	Advisory Committee on Undersea Features,American Conservative Union Foundation
121	AD	Air Defence,Andorra (ISO 3166 digram),Anno Domini (Latin,'In the year of our Lord')
122	ADA	Air Defence Artillery,American Dental Association,Assistant District Attorney,Americans with Disabilities Act (see also the similar but non-acronymic Ada programming language)
123	ADAC	Allgemeiner Deutscher Automobil-Club (German for 'General German Automobile Club')
124	ADAGE	Air Defense Air to Ground Engagement (simulation)
125	ADAP	AIDS Drug Assistance Program
126	ADAS	Asiago-DLR Asteroid Survey
127	ADAT	Alesis Digital Audio Tape (recording format)
128	ADATS	Agricultural Development and Training Society,Air Defence Anti-Tank System,Australian Defence Air Traffic System
129	ADB	Asian Development Bank
130	ADC	Aide De Camp,U.S. Air Defense Command (1946-1992),Apple Display Connector,Program Against Digital Counterfeiting of Currency
131	ADD	Analog Digital Digital (CD quality),Attention-Deficit Disorder,Administration on Developmental Disabilities
132	ADDIE	Analyze Design Develop Implement and Evaluate
133	ADDNS	Advanced Deployable Day/Night Simulation
134	ADGB	Air Defence of Great Britain
135	ADHD	Attention-Deficit Hyperactivity Disorder
136	ADHS	Attention-Deficit Hyperactivity Syndrome
137	ADI	Acceptable/Allowable Daily Intake
138	ADIZ	Air Defence Identification Zone
139	ADL	Anti-Defamation League
140	ADM	Administrative,,Admiral,and the U.S. Public Health Service Commissioned Corps,Archer Daniels Midland,Assistant Deputy Minister
141	ADOA	Air Defence Operations Area
142	ADP	Adenosine DiPhosphate,Army Doctrine Publication (UK,Canada,Australia),Automatic/Automated Data Processing
143	ADRG	Arc-second Raster Chart (ARC) Digitized Raster Graphics
144	ADS	Active Denial System,Astrophysics Data System,Attention Deficit Syndrome
145	ADSR	Attack,Decay,Sustain,Release (sound envelope specification)
146	ADT	Atlantic Daylight Time (UTC−3 hours)
147	ADTB	Army Doctrine and Training Bulletin
148	ADW	Air Defence Warning
149	AE	Armed Forces Africa/Canada/Europe/Middle East (postal symbol),United Arab Emirates (ISO 3166 digram; FIPS 10-4 country code),Artix Entertainment,American Eagle,A&E, Arts & Entertainment Network,the original name for the U.S. TV channel now known as A&E Network
150	AEDT	Australian Eastern Daylight Time
151	AEF	American Expeditionary Force
152	AEGIS	Airborne Early warning Ground environment Interface Segment (fake etymology)
153	AESR	Aeronautical Equipment Service Record
154	AEST	Australian Eastern Standard Time
155	aet	After extra time (Football)
156	AEW	Airborne Early Warning,Airborne Electronic Warfare
157	AF	Afghanistan (FIPS 10-4 country code; ISO 3166 digram),Air Force,As f*ck
158	aF	Attofarad
159	AFA	U.S. Air Force Academy,Asociación del Fútbol Argentino (Spanish for 'Argentine Football Association')
160	AFAIC	As Far As I'm Concerned
161	AFAICT	As Far As I Can Tell
162	AFAIK	As Far As I Know
163	AFAIR	As Far As I Remember/Recall
164	AFAM	Associazione Friulana di Astronomia e Meteorologia (Italian,'Friuli Association of Astronomy and Meteorology'),Department of African and Afro-American Studies,University of North Carolina at Chapel Hill — notable for its links to the school's academic-athletic scandal in the 2010s
165	AFATDS	Advanced Field Artillery Tactical Data System
166	AFCEA	Armed Forces Communications and Electronics Association
167	AFDB	African Development Bank
168	AFES	Automatic Fire Extinguishing System
169	AFG	Afghanistan (ISO 3166 trigram)
170	AFI	French Territory of the Afars and Issas (ISO 3166 trigram; obsolete since 1977),'Agencia Federal de Investigaciónes' (México)
171	AFIST	Abrams Full Crew Interactive Skills Trainer
172	AFJ	April Fool's Joke
173	AFK	Away From Keyboard (Internet chat abbreviation)
174	AFLAC	American Family Life Assurance Company of Columbus
175	AFO	Association of Field Ornithologists
176	AFOSR	U.S. Air Force Office of Scientific Research
177	AFP	Agence France-Presse (French,'French Press Agency'), Australian Federal Police
178	AFQT	Armed Forces Qualification Test
179	AFRC	Air Force Reserve Command
180	AFRL	Air Force Research Laboratory
181	AFROTC	Air Force Reserve Officer Training Corps
182	AFRTS	Armed Forces Radio and Television Service
183	AFSC	U.S. Air Force Staff College (obsolete; replaced with JFSC), U.S. Air Force Systems Command
184	AFSCN	U.S. Air Force Satellite Control Network
185	AFSPC	Air Force Space Command
186	AFT	American Farmland Trust
187	AFV	armoured fighting vehicle
188	AG	air gunner,Aktiengesellschaft (German,'incorporated'),Algeria (FIPS 10-4 country code),Antigua and Barbuda (ISO 3166 digram),Assemblies of God
189	ag	Attogram
190	Ag	Silver (Latin argentum)
191	AGA	AB Gas-accumulator ('ah-gah',Swedish company),Advanced Graphics Architecture
192	AGARD	Advisory Group for Aerospace Research and Development
193	AGARDograph	Advanced Guidance for Alliance Research and Development publication
194	AGASA	Akeno Giant Air Shower Array (cosmic ray detector)
195	AGB	Internal Nintendo initialism (Advanced Game Boy) for Game Boy Advance
196	AGC	Adjutant General's Corps (British Army)
197	AGDC	Australian Game Developers' Conference
198	AGI	Auxiliary Group Intelligence
199	AGM	Annual General Meeting
200	AGN	Active Galactic Nucleus
201	AGO	Angola (ISO 3166 trigram)
202	AGP	Accelerated Graphics Port
203	AGRICOLA	Agriculture Online Access
204	AGS	Alaska Ground Station (LandSat)
205	AGTS	Advanced Gunnery Training System
206	AGU	American Geophysical Union
207	AGW	Autonomous Guided Weapon
208	Ah	Ampere-hour
209	AH	Attack Helicopter
210	aH	Attohenry
211	AHA	American Heart Association
212	AHCPR	Agency for Health Care Policy and Research (obsolete; replaced with AHRQ)
213	AHEC	Australian Health Ethics Committee
214	AHPCRC	Army High Performance Computing Research Center
215	AHQ	Air Headquarters
216	AHRQ	Agency for Healthcare Research and Quality
217	AHS	American Housing Survey
218	AI	Air Interdiction,Amnesty International,Artificial Insemination,Artificial Intelligence,Anguilla (ISO 3166 digram)
219	AIA	Aerospace Industries Association,American Institute of Architects,Anguilla (ISO 3166 trigram)
220	AIAA	American Institute of Aeronautics and Astronautics
221	AIC	African Independent Church,Animal Identification Coordinator
222	AICD	Australian Institute of Company Directors
223	AICMFP	And I Claim My Five Pounds
224	AID	U.S. Agency for International Development
225	AIDS	Acquired Immune Deficiency Syndrome
226	AIM	Australian Institute of Management
227	AIMP	Aurora Incremental Modernization Project
228	AIPAC	American Israel Public Affairs Committee
229	AIR	Aircraft Inventory Record
230	AIRFA	American Indian Religious Freedom Act
231	AIRS	Aerometric Information Retrieval System (obsolete; replaced with AFS)
232	AIS	Australian Institute of Sport,Automatic Identification System
233	AISB	(British Society for the Study of) Artificial Intelligence and the Simulation of Behaviour
234	aJ	Attojoule
235	AJ	Azerbaijan (FIPS 10-4 country code)
236	Ajax	Asynchronous JavaScript And XML
237	AJD	Astronomical Julian day
238	AJP	Allied Joint Publication
239	AJPW	All Japan Pro Wrestling
240	AK	Alaska (postal symbol)
241	aK	Attokelvin
242	AKA	Above knee amputation (orthopaedic usage)
243	AKDT	Alaska Standard Daylight Saving Time (UTC−8 hours)
244	AKP	Adalet ve Kalkınma Partisi (Turkish,'Justice and Development Party')
245	AKST	Alaska Standard Time (UTC−9 hours)
246	AL	Alabama (postal symbol),Albania (FIPS 10-4 country code; ISO 3166 digram),Anno Lucis (Latin,'Year of Light',in Masonic tradition,most often seen on plaques bearing the founding dates of buildings,in years AD and years AL)
247	Al	Aluminium
248	aL	Attolitre
249	ALA	Åland Islands (ISO 3166 trigram)
250	ALAP	As Long/Late As Possible
251	ALARM	Air-Launched Anti-Radar Missile
252	ALB	Albania (ISO 3166 trigram)
253	ALD	Accounting Line Designator (nuclear weapon targeting)
254	ALERT	Advanced Linked Extended Reconnaissance and Targeting,Attack and Launch Early Reporting to Theatre
255	ALF	Africa Leadership Forum,Alien Life Form (cf. ALF (TV series)),Animal Liberation Front
256	ALG	Algeria (IOC and FIFA trigram,but not ISO 3166)
257	ALGOL	ALGOrithmic Language
258	ALPA	Air Line Pilots Association
259	ALS	Amyotrophic Lateral Sclerosis
260	ALSHS	Abraham Low Self-Help Systems
261	ALSP	Aggregate Level Simulation Protocol
262	ALTE	Association of Language Testers in Europe
263	Am	Americium
264	AM	Amplitude Modulation and Ante Meridiem; see entry,Armenia (FIPS 10-4 country code; ISO 3166 digram)
265	AM1	Airman 1st class
266	AMCB	U.S. Army/Marine Corps Board
267	AMFOM	Advanced Missile Fly Out Model
268	AMFR	Age-specific Marital Fertility Rate,Amplitude Modulation Following Response
269	AMFRS	Advanced Multi-Function Radio Frequency System,Automatic Multisensor Feature-based Recognition System
270	AML	Acute Myeloid Leukaemia
271	AMLCD	Active Matrix Liquid Crystal Display
272	AMLO	Andrés Manuel López Obrador (Mexican politician),Anti-Money Laundering Office (Thailand government agency)
273	AMO	Atlantic Multidecadal Oscillation
274	AMOLED	Active-matrix organic light-emitting diode
275	AMOS	Advanced MOrtar System,Air Force Maui Optical and Supercomputing observatory
276	AMP	Adenosine MonoPhosphate,Automated Mission Planner
277	AMRAAM	Advanced Medium-Range Air-to-Air Missile
278	AMRDEC	U.S. Aviation & Missile Research,Development,& Engineering Center
279	AMS	Agriculture Marketing Service,American Mathematical Society
280	AMSAA	U.S. Army Materiel Systems Analysis Activity
281	AMSO	U.S. Army Model and Simulation Office
282	AMSU	Advanced Microwave Sounding Unit
283	AMTE	UK Admiralty Marine Technology Establishment (1977-1984)
284	AN	Andorra (FIPS 10-4 country code),Netherlands Antilles (ISO 3166 digram)
285	aN	Attonewton
286	ANA	Administration for Native Americans,Afghan National Army,All Nippon Airways,Anti-Nuclear Anti-body,Australian National Airways,Australian Natives' Association
287	ANC	African National Congress
288	AND	Andorra (ISO 3166 trigram)
289	ANFO	Ammonium nitrate/fuel oil (explosive)
290	ANGLiCo	Air/Naval Gunfire Liaison Company
291	ANL	Argonne National Laboratory
292	ANM	Acoustic Noise Monitor
293	ANOVA	ANalysis Of VAriance
294	ANS	Applied and Natural Sciences
295	ANSI	American National Standards Institute
296	ANT	Netherlands Antilles (ISO 3166 trigram),Antigua and Barbuda (IOC trigram,but not ISO 3166 or FIFA)
297	ANTM	America's Next Top Model
298	ANTY	Acronyms,No Thank You
299	ANWR	Arctic National Wildlife Refuge /ˈænwɑr/
300	ANZ	Australia and New Zealand Banking Group
301	ANZAC	Australian and New Zealand Army Corps
302	AO	Angola (FIPS 10-4 country code; ISO 3166 digram),Approach Officer (submarine),Area of Operations
303	AOC	Air Operations Centre,Air Officer Commanding
304	AOD	Adrenalin O.D. (punk rock band)
305	AOI	Angle Of Incidence (Arab Organization for Industrialization)
306	AOL	America OnLine
307	AOR	Area of Responsibility
308	AOSTH	Adventures of Sonic the Hedgehog
309	AOTS	Attack of the Show!
310	AOU	American Ornithologists' Union
311	AP	Advanced Placement,Air Publication,Andhra Pradesh (Indian state code),Armed Forces Pacific (postal symbol),Associated Press,Auto Pilot
312	APB	All Points Bulletin (police jargon)
313	APEC	Asia Pacific Economic Cooperation
314	APEDS	AMSAA Performance Estimates Data System
315	APEX	Applied Physics Express
316	APHA	American Public Health Association
317	APHIS	Animal and Plant Health Inspection Service
318	APL	Acute Promyeloid Leukaemia,Anti-Personnel Landmine,Applied Physics Laboratory (Johns Hopkins University)
319	APOD	Aerial Port (Airport) Of Debarkation
320	APOE	Aerial Port (Airport) Of Embarkation
321	APOLLO	Apache Point Observatory Lunar Laser-ranging Operation
322	APP	Allied Procedural Publication
323	APR	Annual Percentage Rate
324	AQIM	Al-Qaeda in the Islamic Maghreb
325	Ar	Argon
326	ARAG	Advanced Research and Assessment Group
327	ARB	Administrative Review Board
328	ARBA	Army Review Boards Agency
329	ARCA	Automobile Racing Club of America
330	ARCENT	United States Army Central Command
331	ARDA	Advanced Research and Development Activity (became DTO 2006)
332	ARF	ASEAN Regional Forum
333	ARG	Argentina (ISO 3166 trigram)
334	ARH	Armed Reconnaissance Helicopter
335	ARNet	Acquisition Reform Network
336	ARP	Applied Research Programme
337	ARPA	Advanced Research Projects Agency
338	ARRC	ACE Rapid Reaction Corps
339	ARRF	Allied Rapid Reaction Force
340	ARRL	American Radio Relay League
341	ARSC	Arctic Region Supercomputing Center
342	ARSPACE	U.S. Army Space Command
343	ARTCC	Air Route Traffic Control Center
344	ARWG	Army Research Working Group
345	AS	ActionScript
346	AS	American Samoa (postal symbol; ISO 3166 digram),Australia (FIPS 10-4 country code),Assam / Asom (Indian state code)
347	As	Arsenic
348	aS	Attosiemens
349	ASA	AcetylSalicylic Acid,American Standards Association,Army Security Agency,Atlantic Southeast Airlines
350	ASAP	As Soon As Possible
351	ASARS	Advanced Synthetic Aperture Radar System,Airborne Search and Rescue System
352	asbl	association sans but lucratif (French 'Non-profit organisation')
353	ASBO	Anti-Social Behaviour Order
354	ASCAP	American Society of Composers,Authors,and Publishers
355	ASCC	Army Service Component Commander,Automatic Sequence Controlled Calculator,Air Standardization Coordinating Committee
356	ASCII	American Standard Code for Information Interchange
357	ASD	(U.S.) Assistant Secretary of Defense,autism spectrum disorder
358	ASDIC	Allied Submarine Detection Investigation Committee (Sonar)
359	ASEAN	Association of Southeast Asian Nations
360	ASFAR	Americans for a Society Free of Age Restrictions
361	ASG	Area Support Group
362	ASIC	Australian Securities and Investments Commission,Aviation Security Identification Card
363	ASICS	Anima sana in corpore sano (Latin,'A sound mind in a sound body') (athletic shoe manufacturer)
364	ASIO	Australian Security Intelligence Organisation,Audio stream input output
365	ASIP	Advanced System Improvement Program,Army Stationing and Installation Plan,Application-specific instruction-set processor
366	ASL	Above Sea Level,American Sign Language (also known as Ameslan),'Age,Sex,Location?' (Internet slang)
367	ASM	Air-to-Surface Missile,American Samoa (ISO 3166 trigram),American Society for Metals,American Society for Microbiology
368	ASMB	American Society for Matrix Biology,Adult Swim Message Board
369	ASME	American Society of Mechanical Engineers,American Society of Magazine ors
370	ASMP	Air-Sol Moyenne Portée missile (French 'Medium-range air to surface'),Asymmetric multiprocessing
371	ASN	Associate of Science in Nursing
372	ASOC	Air Sovereignty Operations Centre,Air Support Operations Centre,Airport Security and Operations Centre,Antarctic and Southern Ocean Coalition,Atlanta Symphony Orchestra Chorus,Australian Standard Offence Classification
373	ASP	Active Server Pages,American Society of Primatologists,Ammunition Supply Point,Application Service Provider (cf internet service provider),Astronomical Society of the Pacific,Association of Surfing Professionals
374	ASPI	Australian Strategic Policy Institute
375	ASR	Alkali-silica reaction,Anti Slip Regulation
376	ASRAAM	Advanced Short-Range Air-to-Air Missile
377	ASSC	Association for the Scientific Study of Consciousness
378	AST	Atlantic Standard Time (UTC−4 hours)
379	ASTIA	Armed Services Technical Information Agency
380	ASTM	American Society for Testing and Materials
381	ASTREA	Aerial Support To Regional Enforcement Agencies (sheriff's air support unit)
382	ASUW	AntiSUrface Warfare
383	ASVAB	Armed Services Vocational Aptitude Battery(taken by juniors in high school in the USA)
384	ASVEL	Association Sportive Villeurbanne Éveil Lyonnais (Association Sportive is French for 'Sporting Association'; the club was founded through the merger of AS Villeurbanne and Éveil Lyonnais)
385	ASW	AntiSubmarine Warfare
386	ASWORG	(U.S.) AntiSubmarine Warfare Operations Research Group
387	ASX	Advanced Stream Redirector,Australian Securities Exchange
388	AT	Anti-Tank,Ashmore and Cartier Islands (FIPS 10-4 territory code),Austria (ISO 3166 digram),Advanced Technology (IBM Personal Computer/AT)
389	At	Astatine
390	aT	Attotesla
391	ATA	Advanced Technology Attachment (IBM Personal Computer),Afghan Transitional Authority,Allen Telescope Array,Antarctica (ISO 3166 trigram)
392	ATAC	Air Transportable Acoustic Communications
393	ATACMS	Army TACtical Missile System
394	ATAPI	Advanced Technology Attachment Packet Interface
395	ATAS	Air-To-Air Stinger (missile)
396	ATAT	Aiken Tactical Airsoft Team / Star Wars vehicle
397	ATB	Active Time Battle,British Antarctic Territory (ISO 3166 trigram; merged with AQ in 1979)
398	ATC	Air Training Corps, U.S. Air Transport Command (1942-1948), Athletic Trainer,Certified
399	ATCCIS	Army Tactical Command and Control Information System
400	ATESS	Aerospace and Telecommunications Engineering Support Squadron
401	ATF	French Southern Territories (ISO 3166 trigram),(U.S.) Bureau of Alcohol,Tobacco,Firearms and Explosives
402	ATG	Antigua and Barbuda (ISO 3166 and FIFA trigram)
403	ATGM	Anti-Tank Guided Missile
404	ATGW	Anti-Tank Guided Weapon
405	ATK	Attack
406	ATL	Atlanta,Georgia,the largest city and capital of Georgia
407	ATLAS	All-Terrain Lifter Army System,Assessment Tool for LAnd Systems
408	ATM	Automated Teller Machine,Asynchronous Transfer Mode,At The Moment
409	ATN	Dronning Maud Land (ISO 3166 trigram; merged with AQ in 1983)
410	ATO	Air Tasking Order,Australian Taxation Office
411	ATP	Adenosine TriPhosphate,Allied Tactical Publication,Ammunition Transfer Point
412	ATSD	(U.S.) Assistant Secretary of Defense
413	ATSDR	Agency for Toxic Substances and Disease Registry
414	ATV	All-Terrain Vehicle
415	ATWA	Air,Trees,Water,Animals
416	AU	African Union (was OAU before 2000),American University,Astronomical Unit,Australia (ISO 3166 digram),Austria (FIPS 10-4 country code)
417	Au	Gold (Latin Aurum)
418	AUC	Ab Urbe Condita / Anno Urbis Conditae (Latin 'from the founding of the city' / 'in the year since the founding of the city') (of Rome),Area Under the Curve (concentration time curve; medicine)
419	AUS	Australia (ISO 3166 trigram)
420	AUSCANNZUKUS	Australia,Canada,New Zealand,United Kingdom,United States (security designation)
421	Auslan	Australian Sign Language
422	AUT	Austria (ISO 3166 trigram)
423	AUTL	Army Universal Task List
424	AV	Anguilla (FIPS 10-4 territory code),Audio-Visual,Aviation
425	Av	Aperture value (photographic mode)
426	aV	Attovolt
427	AVA	American Viticultural Area
428	AVB	Audio Video Bridging
429	AVDLR	Aviation Depot Level Repair
430	AVGP	Armoured Vehicle, General Purpose
431	AVIM	Aviation Intermediate Maintenance
432	AVLB	Armoured Vehicle Launched Body
433	AVM	Air Vice-Marshal, Arteriovenous malformation
434	AVO	Apprehended Violence Order
435	AVP	Arubaanse Volkspartij
436	AVP	Association of Volleyball Professionals
437	AVRE	Armoured Vehicle Royal Engineers
438	AVTB	Armoured Vehicle Test Bed,Aviation Test Bed
439	AVUM	Aviation Unit Maintenance
440	AVVO	Acute Vaginal Venereal Outbreak
441	AW	Aruba (ISO 3166 digram)
442	aW	Attowatt
443	AWA	American Wrestling Association
444	AWC	Air Warfare Centre
445	AWD	All Wheel Drive
446	AWE	Advanced Warfighting Experiment
447	AWP	Awaiting Parts (SM&R code)
448	AWSIM	Air Warfare SIMulation
449	AWST	Australian Western Standard Time
450	AWW	Above Water Warfare
451	AX	Åland Islands (ISO 3166 digram)
452	AXP	Ambulance eXchange Point
453	AY	Antarctica (FIPS 10-4 territory code)
454	AYBABTU	All Your Base Are Belong To Us
455	AYU	As Yet Unknown
456	AZ	Arizona (postal symbol),Azerbaijan (ISO 3166 digram),Alkmaar Zaanstreek (Dutch football club)
457	AZE	Azerbaijan (ISO 3166 trigram)
458	AZUR	Actions en zone urbaine (French for: Urban Operations)
459	BAR	Barbados (IOC trigram,but not FIFA or ISO 3166),British American Racing,Browning Automatic Rifle,Buy-American Restrictions,BARD , Binational Agricultural Research and Development fund (between the US and Israel),BARDA , Biomedical Advanced Research and Development Agency,BART , Bay Area Rapid Transit,BAS , Battalion Aid Station,BASE , Building,Antenna,Span,Earth (parachute from),BASF , Badische Anilin und Soda Fabrik (Baden Aniline and Soda Factory,a German chemicals company),BASIC , Beginner's All-purpose Symbolic Instruction Code (acronym was added later,originally it was simply Basic),BAT , Basic Aid Training,BATF , U.S. Bureau of Alcohol,Tobacco,and Firearms,BATS , Behavior Analysis Training System ,Bradley Advanced Training System,BATTeRS , Bisei Asteroid Tracking Telescope for Rapid Survey,BB[edit]
460	BB	Barbados (ISO 3166 digram; FIPS 10-4 country code),Boys' Brigade (Christian youth organization),Brigitte Bardot (actress),Bumblebee
461	BBB	Better Business Bureau,Blood-brain barrier
462	BBC	Breeding Bird Census,British Broadcasting Corporation,Bumper to Back of Cab (trucking measurement)
463	BBL	Be Back Later,Bird Banding Laboratory,British Basketball League
464	BBN	Bolt,Beranek and Newman
465	BBQ	Barbecue
466	BBS	Breeding Bird Survey (North America),Brigade/Battalion Battle Simulation,Bulletin Board System,BBSRC , U.K. Biotechnology and Biological Sciences Research Council,BBVA , Banco Bilbao Vizcaya Argentaria (Spanish bank)
467	BBYO	B'nai B'rith Youth Organization
468	BC	Before Christ,Blind Copy (in emailers),Boston College,Botswana (FIPS 10-4 country code; from Bechuanaland),British Columbia (postal symbol)
469	BCA	Bachelor of Computer Application,Black Coaches & Administrators
470	BCC	Blind Carbon Copy
471	BCCI	Bank of Credit and Commerce International,Board of Control for Cricket in India,BCD , Binary-Coded Decimal
472	BEA	Banque extérieure d'Algérie,British European Airways (ancestor of British Airways),British Electricity Authority,bel
473	BEL	Belgium (ISO 3166 trigram)
474	BEN	Benin (ISO 3166 trigram)
475	BEO	Banquet Event Order
476	BERC	Business Environmental Resource Center
477	BER	Bit Error Rate
478	BH	Bahrain (ISO 3166 digram),Belize (FIPS 10-4 country code)
479	BHR	Bahrain (ISO 3166 trigram)
480	BNF	Backus-Naur Form (computing), British National Formulary
481	BNICE	Biological,Nuclear,Incendiary,Chemical,and Explosive Agents
482	BNP	British National Party,Banque Nationale de Paris,a predecessor to today's BNP Paribas
483	BNS	Bank of Nova Scotia
484	BNSF	Burlington Northern Santa Fe (also AAR reporting mark)
485	BO	Back Orifice,Belarus (FIPS 10-4 country code),Biarritz Olympique (French rugby union club),Bolivia (ISO 3166 digram),Body odor
486	BOAC	British Overseas Airways Corporation (predecessor of British Airways)
487	BoAML	Bank of America Merrill Lynch
488	BOC	British Orthodontic Society, British Oxygen Company
489	BÖC	Blue Öyster Cult
490	BODMAS	Brackets,Orders,Division,Multiplication,Addition,Subtraction
491	BOFH	Bastard Operator From Hell
492	BOGA	Bend Over and Grab Ankles
493	BOGOF	Buy One,Get One Free
494	BOGs	Bunch of Guys
495	BOI	Balance Of Investment,Basis Of Issue
496	BOL	Bolivia (ISO 3166 trigram)
497	BOM	Base Object Model,Bill Of Materials,Block of the Month quilting term,Business opportunity meeting
498	BOPD	Barrel of Oil Per Day
499	BOS	Battlefield Operating System
500	BOT	Balance of Trade,Botswana (IOC and FIFA trigram,but not ISO 3166),Build Operate Transfer,Bank of Thailand,BP[edit]
501	BP	Battle Position,British Petroleum (today,BP does not officially stand for anything),Solomon Islands (FIPS 10-4 country code; from British Protectorate of the Solomon Islands),Bp , Bishop,BPD , Bipolar Personality Disorder,BPM , Beats Per Minute,BPMo , Business Process Mobility
502	BPV	Battlefield Planning Visualization,Bovine papillomavirus
503	BQ	British Antarctic Territory (former ISO 3166 digram; merged with AQ in 1979),Caribbean Netherlands (current ISO 3166 digram; based on the entity's alternate name of Bonaire,Sint Eustatius and Saba),Navassa Island (FIPS 10-4 territory code)
504	BR	Brazil (ISO 3166 digram; FIPS 10-4 country code) ,Bihar (Indian state code),British Rail,Break Ranks (marching band term)
505	BRA	Brazil (ISO 3166 trigram)
506	BRAG	Bicycle Ride Across Georgia
507	BRASS	Breathe,Relax,Aim,Sight,Squeeze (acronym for using a rifle)
508	BSA	Birmingham Small Arms (motorcycles company),Boy Scouts of America,Brigade Support Area
509	BSatCoP	Benjamin Sniddlegrass and the Cauldron of Penguins
510	BSE	Bovine Spongiform Encephalopathy (better known as mad cow disease)
511	BSN	Baloncesto Superior Nacional (Spanish,'National Superior Basketball'; top Puerto Rican league),Bank Simpanan Nasional (Malay,'National Savings Bank'; government-owned Malaysian bank)
512	BSNL	Bharat Sanchar Nigam Limited,Bachelor of Science in Nursing
513	BSoD	Blue Screen of Death (distinct from BSD)
514	BSP	Between-Show Promotion,Binary Space Partitioning,Board Support Package,British Standard Pipe (screw thread),Business-sponsored,Bone sialoprotein
515	BST	Binary search tree,Blended Sales Tax,Bovine somatotropin,British Summer Time
516	BSW	British Standard Whitworth (screw thread)
517	BSX	Bendigo Stock Exchange
518	BT	Baal teshuva (Hebrew,'master of repentance') ,used to describe a Jew who adopts Orthodox Judaism as an adult,Bathythermograph,Bhutan (FIPS 10-4 country code; ISO 3166 digram),BitTorrent,British Telecom,the former name of the company now known as BT Group,BTDT , Been There,Done That,Bti , Bacillus thuringiensis israelensis,BTID , Battlefield Target Identification Device,BTIS , Battlefield Target Identification System
519	Bt	Baronet,Bacillus thuringiensis
520	BTO	Built To Order
521	BTP	British Transport Police
522	BTR	Bronetransporter (БТР = Бронетранспортер '(Heavy) Armoured (Personnel) Transporter')
523	BTU	British Thermal Unit
524	BTW	By The Way
525	BU	Bulgaria (FIPS 10-4 country code) -,Burma (ISO 3166 digram; obsolete since 1989)
526	BUAV	British Union for the Abolition of Vivisection
527	BUG-E	Battlefield Universal Gateway Equipment ('buggy')
528	BUNO	Bureau Number (aircraft serial number)
529	BUR	Burma (ISO 3166 trigram; obsolete since 1989)
530	BV	Background Vocals -,Battlefield Visualization ,,Bouvet Island (ISO 3166 digram; FIPS 10-4 territory code)
531	BVD	Bradley,Voorhees & Day (underwear manufacturer)
532	BVR	Beyond Visual Range
533	BVT	Bouvet Island (ISO 3166 trigram)
534	B&W	Babcock & Wilcox, Black and White, Bowers & Wilkins
535	BW	Bring Wedges (ISO digram)
536	BW	Botswana (ISO 3166 digram)
537	BWA	Botswana (ISO 3166 trigram)
538	BWARS	Bees,Wasps & Ants Recording Society
539	BWC	Biological and Toxin Weapons Convention
540	BWR	Boiling-Water Reactor
541	BX	Base eXchange
542	BY	Burundi (FIPS 10-4 country code), Belarus (ISO 3166 digram), Bavaria
543	BYOB	Bring Your Own Bottle (or beer, beverage, or booze) (multiple,but similar,meanings)
544	BYOC	Bring Your Own Computer (play on BYOB)
545	BYOF	Bring Your Own Flask
546	BYS	Byelorussian Soviet Socialist Republic (ISO 3166 trigram; obsolete since 1992)
547	BYU	Brigham Young University
548	BZ	Belize (ISO 3166 digram)
549	BZP	Benzylpiperazine
550	C	Carbon, Coulomb, One Hundred (in Roman numerals)
551	c	Centi
552	C2C	Consumer-To-Consumer electronic commerce, Cam-To-Cam internet chat
553	c2c	the British rail company formerly known as LTS Rail
554	Ca	Calcium
555	CA	California (postal symbol),Canada (FIPS 10-4 country code; ISO 3166 digram),Catalonia,Civil Affairs,Close Armour,Cocaine Anonymous,Computer Associates,Counter-Air,Cricket Australia
556	CAA	Canadian Automobile Association,(NORAD) Center for Aerospace Analysis,(U.S.) Center for Army Analysis,(U.S.) Clean Air Act,(U.S. Army) Concepts Analysis Agency,Civil Aviation Authority,Colonial Athletic Association
557	CAAT	Campaign Against Arms Trade,Center for Alternatives to Animal Testing
558	CAC	California Association of Criminalists,Chronic Asymptomatic [Disease] Carrier
559	CACM	Central American Common Market
560	CACM	Communications of the ACM
561	CADCAM	Computer-Aided Design/Computer-Aided Manufacturing
562	CADMID	Concept,Assessment,Demonstration,Manufacture,In service,Disposal (life cycle mnemonic)
563	CADPAT	CAnadian Disruptive PATtern
564	CAE	Canadian Aviation Electronics (originally),Certificate in Advanced English
565	CAEn	Close Action Engagement (constructive simulation)
566	CAF	Central African Republic (ISO 3166 trigram),Confederation of African Football (or French Confédération Africaine de Football)
567	CAFAD	Combined Arms For Air Defence
568	CAFDE	Canadian Association of Film Distributors and Exporters,Computer Aided Federation Development Environment
569	CAFE	Corporate Average Fuel Economy standard
570	CAI	Computer Assisted Instruction
571	CAIR	Council on American-Islamic Relations
572	CALABARZON	A region in the Philippines: CAvite,LAguna,BAtangas,Rizal,queZON
573	CALL	Center for Army Lessons Learned
574	CALM	Communications,Air-interface,Long and Medium range
575	CalPERS	California Public Employees' Retirement System
576	Caltrans	California Department of Transpotation
577	CAM	Chemical Agent Monitor,Complementary and alternative medicine,Computer-Aided Manufacturing,Crassulacean acid metabolism (type of photosynthesis)
578	CAMRA	CAMpaign for Real Ale
579	CAN	Canada (ISO 3166 trigram)
580	CANDU	CANada Deuterium Uranium (nuclear reactor design)
581	Canola	Canadian oil,low acid (referring to a specific cultivar of rapeseed bred to have a low erucic acid content)
582	CAPES	CAPability Evaluation System,Combined Arms Planning and Execution System
583	CARE	Citizens Association for Racial Equality (former New Zealand organisation),Community database on Accidents on the Roads in Europe,Cooperative for Aid and Relief Everywhere (originally Cooperative for American Remittances to Europe)
584	CARMONETTE	Computerized Monte Carlo Simulation
585	CARP	Computed Air Release Point
586	CART	Championship Auto Racing Teams (now defunct)
587	CAS	Chemical Abstracts Service,Chief of the Air Staff,Close Air Support
588	CASA	Civil Aviation Safety Authority
589	CASE	Cellular ammunition storage equipment,Computer-Aided Software Engineering
590	CASS	Command Activated Sonobuoy System
591	CASTFOREM	Combined Arms and Support Task FORce Evaluation Model
592	CASTOR	Canadian Automatic Small Telescopes for Orbital Research
593	CAT	Community Acceptance Testing
594	CATK	Counterattack
595	CATS	Computer Active Technology Suspension
596	CATT	Combined Arms Tactical Trainer
597	CAV	Cavalry
598	CAVOK	Ceiling And Visibility OK ('Kav-okay')
599	CAW	Canadian Auto Workers (trade union)
600	CB	Citizens' Band radio,Cambodia (FIPS 10-4 country code)
601	CBASSE	Commission on Behavioral And Social Sciences and Education ('sea bass')
602	CBC	Canadian Broadcasting Corporation,Christmas Bird Count,Cipher-Block Chaining,Cornering Brake Control
603	CBE	Commander of the Order of the British Empire,Cab Beside Engine (see truck)
604	CBF	Confederação Brasileira de Futebol (Portuguese,'Brazilian Football Confederation')
605	CBGB	Country,Blue Grass,and Blues (former New York City nightclub)
606	CBLA	Comparative bullet lead analysis
607	CBM	Canadian Baptist Ministries
608	CBM	Commodore Business Machines
609	CBML	Coalition Battle Management Language
610	CBN	CardsApp Brand Number
611	CBOL	Consortium for the Barcode of Life
612	CBOT	Chicago Board of Trade
613	CBR	Case-Based Reasoning
614	CBRN	Chemical,Biological,Radiological,or Nuclear (weapon or event)
615	CBRNE	Chemical,Biological,Radiological,Nuclear or [high-yield] Explosive (weapon or event)
616	CBS	Columbia Broadcasting System,Corps Battle Simulation
617	CBUS	Columbus,Ohio
618	CC	carbon copy
619	CCA	Counter Command Activity
620	CCC	Canterbury Clothing Company,Civilian Conservation Corps (U.S.,1930s and 1940s),Corpus Christi College,Oxford
621	CCCP	Central Committee of the Communist Party,Cyrillic for SSSR (Soyuz Sovetskikh Sotsialisticheskikh Respublik,Russian Союз Советских Социалистических Республик,Union of Soviet Socialist Republics)
622	CCD	Charge-Coupled Device,Confraternity of Christian Doctrine (Catechism)
623	CCF	Cartoon Cartoon Fridays
624	CCG	Canadian Coast Guard,Collectible Card Game
625	CCGC	Canadian Coast Guard Cutter,Canadian Coast Guard College
626	CCGH	Canadian Coast Guard Hovercraft
627	CCGS	Canadian Coast Guard Ship,Christ Church Grammar School
628	CCH	Computer-Controlled Hostile
629	CCIF	Comité consultatif international des communications téléphoniques à grande distance (French for International Telephone Consultative Committee,merged with the CCIT in 1956 to form the CCITT)
630	CCII	Command and Control Information Infrastructure,Community Capital Investment Initiative
631	CCIR	Comité consultatif international pour la radio (French for Consultative Committee on International Radio,became the ITU Radiocommunication Sector,ITU-R,in 1992),Commander's Critical Information Requirements
632	CCIT	Comité consultatif international télégraphique (French for International Telegraph Consultative Committee,merged with the CCIF in 1956 to form the CCITT)
633	CCITT	Comité consultatif international téléphonique et télégraphique (French for International Telegraph and Telephone Consultative Committee,became the ITU Telecommunication Standardization Sector,ITU-T,in 1992)
634	CCK	Cholecystokinin,Cocos (Keeling) Islands (ISO 3166 trigram)
635	CCM	Canada Cycle & Motor Co. Ltd. (now split into two separate companies bearing the CCM name,one manufacturing bicycles and the other ice hockey equipment),Contemporary Christian music
636	CCOC	Canadian Children's Opera Chorus,Crosley Car Owners Club
637	CCOP	Coalition Common Operating/Operational Picture
638	CCP	Casualty Collection Point,Communications Checkpoint,Contingency Communications Package
639	CCPA	Consumer Credit Protection Act
640	CCR	Creedence Clearwater Revival
641	CCRAp	Canadian Conservative Reform Alliance party
642	CCRP	Command and Control Research Program
643	CCRTS	Command and Control Research and Technology Symposium
644	CCSCS	Consultative Committee for Space Data Systems
645	CCSCS	Coordinadora de Centrales Sindicales del Cono Sur
646	CCSIL	Command and Control Simulation Interface Language ('cecil')
647	CCSK	Cyclic Code Shift Keying
648	CCT	Current Commitments Team
649	Cd	Cadmium
650	cd	Candela
651	CD	Compact Disc
652	CD1	Cluster of Differentiation 1 (a small gene family)
653	CDA	UK Centre for Defence Analysis
654	CDD	Capabilities Development Document
655	CDE	Chemical Defence Equipment
656	CDIAC	Carbon Dioxide Information Analysis Center ('see-dee-ack')
657	CDipAF	Certified Diploma in Accounting and Finance
658	CDL	Commercial driver's license
659	CDM	Clean Development Mechanism (Kyoto protocol), Cold Dark Matter (astronomy)
660	CDMA	Code Division Multiple Access
661	CDMSII	Cryogenic Dark Matter Search II
662	Cdr	Commander
663	CDT	Central Daylight Time (UTC−5 hours)
664	Cdt	Commandant
665	Ce	Cerium
666	CE	Christian/Common Era
667	CEA	Campaign Effectiveness Analysis
668	CECOM	U.S. Army Communications and Electronics Command
669	CEDEX	Courrier d'entreprise à distribution exceptionnelle (French,'Company Mail with Exceptional Distribution'; 'exceptional' refers to the volume of mail)
670	CEGEP	Collège d'enseignement général et professionnel (French,'College of General and Vocational Education')
671	CEI	Competitive Enterprise Institute
672	CENTCOM	United States Central Command
673	CENTO	Central Treaty Organization (Baghdad Pact)
674	CENZUB	Centre d'entraînement aux actions en zone urbaine (French,'Urban Operations Training Centre')
675	CEO	Chief Executive Officer
676	CEP	Circular Error Probable
677	CEPT	Conférence européenne des administrations des postes et des télécommunications (French,'European Conference of Postal and Telecommunications Administrations')
678	CERCLA	U.S. Comprehensive Environmental Response,Compensation,and Liability Act (Superfund)
679	CERDEC	U.S. Communications-Electronics Research,Development and Engineering Center
680	CERGA	Centre de recherches en géodynamique et astrométrie (French,'Astrometry and Geodynamics Research Centre')
681	CERN	Centre européen pour la recherche nucléaire (French,'European Organization for Nuclear Research')
682	CERT	Computer Emergency Response Team
683	CESS	Centre for Earth Science Studies (India)
684	CEST	Central European Summer Time
685	CET	Central European Time
686	CEWC	Council for Education in World Citizenship
687	Cf	Californium
688	CF	Canadian Forces,Central African Republic (ISO 3166 digram),Republic of the Congo (FIPS 10-4 country code)
689	CFA	Cat Fanciers' Association,Chartered Financial Analyst,Colour Filtering Array,County Fire Authority,Covering Force Area
690	CFAR	Christine's,Federal Acquisition Regulation
691	CFC	ChloroFluoroCarbon,Canadian Fish Company
692	CFES	Continuous Flow Electrophoresis System
693	CFFZ	Call For Fire Zone
694	CFG	Context-free grammar,Control flow graph
695	CFHT	Canada-France-Hawaii Telescope
696	CFI	Center for Inquiry (CSICOP)
697	CFL	Canadian Football League,Co-ordinated Fire Line
698	CFLCC	Coalition Forces Land Component Command
699	CFM	Certified Facilities Manager
700	CFO	Chief Financial Officer
701	CFP	Call for papers, College Football Playoff, Common Fisheries Policy (EU)
702	CFR	Code of Federal Regulations,Căile Ferate Române (Romanian,'Romanian Railways')
703	CFRP	Carbon fibre reinforced plastic
704	CFS	Chronic Fatigue Syndrome
705	CFSP	Common Foreign and Security Policy
706	CFU	Colony Forming Unit in Microbiology
707	CFV	Cavalry Fighting Vehicle
708	CFZ	Critical Friendly Zone
709	CG	Client Group,Computer Graphics,Controls Group,Democratic Republic of the Congo (FIPS 10-4 country code),Republic of the Congo (ISO 3166 digram)
710	CGH	Comparative Genomic Hybridisation
711	CGIG	Cross-Government Implementation Group
712	CGO	Republic of the Congo (IOC and FIFA trigram,but not ISO 3166)
713	CGS	Chief of the General Staff
714	CGT	Capital Gains Tax
715	ch	ch(L) is used to denote the Chern character of a line bundle
716	CH	Chieftain tank,China (FIPS 10-4 country code),Switzerland (ISO 3166 digram; from Latin Confoederatio Helvetica)
717	CHAMPUS	(U.S.) Civilian Health and Medical Program of the Uniformed Services (now known as TRICARE)
718	CHAOS	Cambridge Heart Anti-Oxidant Study
719	CHAPS	Clearing House Automated Payment System
720	CHDK	Canon Hack Development Kit (Canon camera firmware hack)
721	CHE	Switzerland (ISO 3166 trigram; from Latin Confoederatio Helvetica)
722	CHI	Columbia Helicopters,Inc
723	CHiP	California Highway Patrol
724	CHIPS	Cosmic Hot Interstellar Plasma Spectrometer
725	CHL	Chile (ISO 3166 trigram)
726	CHLA	Core Historical Literature of Agriculture
727	CHN	China (ISO 3166 trigram)
728	CHOGM	Commonwealth Heads of Government Meeting
729	CHPSO	California Hospital Patient Safety Organization
730	CHRS	Canadian Heart Rhythm Society
731	CHT	Certified Hand Therapist
732	CI	Chile (FIPS 10-4 country code),Côte d'Ivoire (ISO 3166 digram),Counter-Intelligence,101 (in Roman numerals)
733	Ci	Curie
734	CIA	Cairo International Airport,Central Intelligence Agency,Culinary Institute of America
735	CIAO	Critical Infrastructure Assurance Office,Component-Integrated ACE ORB
736	CIB	Complete In Box (Internet auction/trading listings)
737	CIBC	Canadian Imperial Bank of Commerce
738	CICS	Customer Information Control System (IBM mainframe software; 'kicks' or 'C-I-C-S')
739	CID	Certified Interior Designer
740	CIEF	Comité international d'enregistrement des fréquences (International Frequency Registration Board)
741	CIF	Cost,Insurance,and Freight (Paid) (shipping)
742	CIMMYT	Centro Internacional de Mejoramiento de Maíz Y Trigo (Spanish,'International Maize and Wheat Improvement Center')
743	CINC	Commander in Chief
744	CINEOS	Campo Imperatore Near-Earth Object Survey
745	CIO	Chief information officer,Congress of Industrial Organizations
746	CIPE	(European) Centre for International Political Economy
747	CIR	(Commander's) Critical Information Requirements
748	CIR	Corotating Interaction Region
749	CIS	Canadian Interuniversity Sport,Commonwealth of Independent States,Command and Information System,Communication and Information System
750	CISA	(U.S.) C4I Integration Support Activity
751	CISB	Complete In Sealed Box (Internet auction/trading listings)
752	CISPR	Comité international spécial des perturbations radioélectriques (Special International Committee on Radio Interference)
753	CISSP	Certified Information Systems Security Professional
754	CITES	Convention on International Trade in Endangered Species (of Wild Fauna and Flora) ('sigh-tease')
755	CIV	Côte d'Ivoire (ISO 3166 trigram)
756	CIVETS	Colombia,Indonesia,Vietnam,Egypt,Turkey,South Africa (economics)
757	CIVPOP	Civilian Population
758	CIWS	Close-In Weapon System
759	CJ	Cayman Islands (FIPS 10-4 country code),Criminal Justice
760	CJC	Canadian Jewish Congress,Cold Junction Compensation
761	CJCS	Chairman of the Joint Chiefs of Staff
762	CJD	Chronological Julian Day,Creutzfeldt-Jakob Disease
763	CJO	Chief of Joint Operations
764	CJTF	Combined Joint Task Force
765	CK	Cocos (Keeling) Islands (FIPS 10-4 country code),Cook Islands (ISO 3166 digram)
766	CKA	commonly known as, Canada Kicks Ass
767	CKND	Codename: Kids Next Door
768	CL	Chile (ISO 3166 digram),Co-ordination Line,One Hundred and Fifty (in Roman numerals)
769	Cl	Chlorine
770	CLA	Clutterers Anonymous
771	CLEC	Competitive Local Exchange Carrier
772	CLEMARS	California Law Enforcement Mutual Aid Radio System
773	CLIC	Compact LInear Collider
774	CLO	Cornell Lab of Ornithology
775	CLOS	Command to Line-Of-Sight (missile control system)
776	CLPFC	CentroLateral PreFrontal Cortex
777	CLRP	College Loan Repayment Program
778	CM	Cameroon (FIPS 10-4 country code; ISO 3166 digram),Cruise Missile,Nine Hundred (in Roman numerals)
779	Cm	Curium
780	CMA	U.S. Chemical Materials Agency,Country Music Association (also used to refer to the organization's annual awards),Crystal Meth Anonymous
781	CMHC	Canada Mortgage and Housing Corporation
782	CMIIAW	Correct me if I am wrong
783	CMIS	Common management information service
784	CMJ	Christopher Martin-Jenkins (BBC sports commentator)
785	CMLL	Consejo Mundial de Lucha Libre (Spanish,'Worldwide Wrestling Council'—Mexican professional wrestling promotion)
786	CMM	Capability Maturity Model
787	CMMC	Corps Materiel Management Centre
788	CMML	Chronic MyeloMonocytic Leukemia,Continuous Media Markup Language
789	CMOS	Canadian Meteorological and Oceanographic Society,(The) Chicago Manual of Style,Complementary Metal Oxide Semiconductor
790	CMP	Common [Operating/Operational] Maritime Picture
791	CMPD	Charlotte Mecklenburg Police Department
792	CMPD	Chronic Myeloproliferative Disease
793	CMR	Cameroon (ISO 3166 trigram),Coaxial Main Rotors (helicopter type)
794	CMS	Centers for Medicare and Medicaid Services,The Chicago Manual of Style
795	CMT	Country Music Television
796	CMU	Carnegie Mellon University,Central Michigan University,Concrete Masonry Unit
797	CMW	Marconi's Wireless Telegraph Company of Canada,Canadian Manufacturing Week,Canadian Music Week,Catherine McAuley Westmead (school in New South Wales,Australia),Chicago,Missouri and Western (Railway),Compartmented Mode Workstation,Compton's Most Wanted,Continuous Microwave (processing technology),Custom Maintenance Wizard (Microsoft Office Resource Kit)
798	CMYK	Cyan Magenta Yellow Key/blacK (colour model)
799	CN	Canadian National (railway; also the AAR reporting mark for said company),China (ISO 3166 digram),Comoros (FIPS 10-4 country code)
800	CNA	Center for Naval Analyses,Certified Network Administrator,Computer Network Attack,Continental (Casualty Company),National (Fire Insurance Company),and American (Casualty Company),the three companies that merged to form what is now known as CNA Financial
801	CNBC	Consumer News and Business Channel
802	CND	Campaign for Nuclear Disarmament,Computer Network Defence
803	CNE	Canadian National Exhibition,Computer Network Exploitation,Certified Network Engineer
804	CNF	Cost and Freight
805	CNI	Clinical Nursing Intern
806	CNI	Communications,Navigation and Identification
807	CNN	Cable News Network,Cellular Nonlinear Network
808	CNV	Copy-Number Variable (genetics)
809	Co	Cobalt
810	COB	Close Of Business [day]
811	COBRA	Consolidated Omnibus Budget Reconciliation Act of 1985
812	COD	Cash On Delivery,Democratic Republic of the Congo (ISO 3166 trigram)
813	CoDA	Co-Dependents Anonymous
814	COGENT	Cognitive Objects within a Graphical EnviroNmenT
815	COIL	Chemical Oxygen Iodine Laser
816	COK	Cook Islands (ISO 3166 trigram)
817	COL	Colombia (ISO 3166 trigram)
818	COLA	Cost Of Living Adjustment
819	CONAD	U.S. Continental Air Defense Command
820	CONMEBOL	Confederación Sudamericana de Fútbol or Confederação Sul-Americana de Futebol (respectively Spanish and Portuguese for 'South American Football Confederation')
821	CONUS	Continental United States
822	COO	Chief Operating Officer
823	COPE	U.K. Committee On Publication Ethics
824	COPUS	U.K. Committee on the Public Understanding of Science
825	CORD	Common Operational Requirements Document
826	CORE	Consortium for Oceanographic Research and Education
827	COS	Cooper Ornithological Society
828	COSER	COoperative SERvice
829	CoT	Car of Tomorrow (former NASCAR race car design)
830	COTS	Commercial Off The Shelf
831	CP	Canadian Pacific,Check Point,Command Post,Club Penguin
832	CPA	Certified Public Accountant
833	CPAC	Conservative Political Action Conference,Cable Public Affairs Channel ('see-pack')
834	CPCU	Certified Property Casualty Underwriter
835	CPD	Capabilities Production Document
836	CPE	Certificate of Proficiency in English
837	CPE	Certified Professional Ergonomist
838	CPF	Calibration Parameter File,Canadian Patrol Frigate
839	CPG	Clinical Practice Guideline
840	CPIM	Certification on Production and Inventory Management
841	CPIR	Computationally-Private Information Retrieval
842	CPON	Certified Pediatric Oncology Nurse
843	CPPCC	Chinese People's Political Consultative Conference
844	CPR	Canadian Pacific Railway
845	CPR	Cardiopulmonary resuscitation
846	CPSM	Continuous Phase Shift Modulation
847	CPSU	Communist Party of the Soviet Union
848	CPT	Contingency Planning Team
849	CPU	Contract Postal Unit
850	CPV	Cape Verde (ISO 3166 trigram)
851	CPX	Command Post eXercise
852	CQ	Carrier Qualification,Central Queensland,Charge of Quarters,Congressional Quarterly,Constellation Airlines (IATA airline designator),Northern Mariana Islands (FIPS 10-4 territory code)
853	Cr	Chromium
854	CR	Coral Sea Islands (FIPS 10-4 territory code),Costa Rica (ISO 3166 digram)
855	CRAM	Combined Radiometric Correction Model
856	CRD	Capstone Requirements Document
857	CREB	Cyclic AMP-response Element Binding (protein)
858	CREEP	Committee for the Re-Election of the President,a pejorative nickname used by opponents
859	CREN	Christian Real Estate Network Real Estate Association
860	CRI	China Radio International,Costa Rica (ISO 3166 trigram)
861	CRIPL	Consolidated Remain-In-Place List
862	CRM	Cardiac Rhythm Management,Customer Relationship Management
863	CRO	Croatia (IOC and FIFA trigram,but not ISO 3166)
864	CRP	Committee for the Re-Election of the President,Control and Reporting Post
865	CRT	Cardiac Resynchronization Therapy,Cathode Ray Tube,Chinese Remainder Theorem
866	CRTC	Canadian Radio-television and Telecommunications Commission
867	Cs	Caesium
868	CSA	Canadian Soccer Association,Canadian Space Agency,Canadian Standards Association,Child Support Agency,Command Staff Advisor,Community-supported agriculture,Confederate States of America,Corps Storage Area,Czech Airlines,C/S/A,CINC,Service,and Agency
869	CSC	Closed Spacelike Curve (relativity),Compact system camera,Computer Sciences Corporation,Computer Security Centre,CSCC Canadian Society of Clinical Chemists
870	CSERIAC	(U.S. DoD) Crew Systems Ergonomics Information Analysis Center
871	CSG	Corps Support Group
872	CSI	see entry
873	CSICOP	Committee for the Scientific Investigation of Claims of the Paranormal (became the Committee for Skeptical Inquiry in 2006)
874	CSIP	Commercial Stable Image Platform (AMD)
875	CSK	Czechoslovakia (ISO 3166 trigram; obsolete since 1993)
876	CSL	U.K. Central Science Laboratory
877	CSPI	Center for Science in the Public Interest
878	CSR	Control Supply Rate
879	CSR	Corporate Social Responsibility
880	CSRC	Conflict Studies Research Centre
881	CSRF	Cross-Site Request Forgery
882	CST	Central Standard Time (UTC−6 hours)
883	CT	Computed tomography (medical scan also known as a CAT scan),Central Time zone,Chrono Trigger (Computer/Video games),Connecticut (postal symbol),Canterbury (postal symbol),Chhattisgarh (Indian state code)
884	CTBT	Comprehensive [Nuclear] Test Ban Treaty
885	CTDB	Compact Terrain Data Base (file format)
886	CTGF	connective tissue growth factor
887	CTI	Co-operative Target Identification
888	CTIL	Critical Tracked Items List
889	CTIS	Central Tire Inflation System
890	CTMS	Clinical Trial Management System
891	CTSS	Compatible Time-Sharing System
892	CTU	Counter Terrorist Unit (fictional branch of the Central Intelligence Agency in the television action series 24)
893	CTVT	Canine Transmissible Venereal Tumour
894	Cu	Copper (Latin Cuprum)
895	CUB	Cuba (ISO 3166 trigram)
896	CUCV	Commercial Utility Cargo Vehicle
897	CUPS	Common Unix Printing System
898	CUPW	Canadian Union of Postal Workers
899	CUREA	Consortium for Undergraduate Research and Education in Astronomy
900	CuW	Copper-tungsten pseudo-alloy (from the chemical symbols of the two component elements)
901	CUW	Curaçao (ISO 3166 trigram)
902	CV	curriculum vitae (résumé)
903	CVLL	Crypto Variable Logic Label
904	CVSD	Continuous Variable Slope Delta (modulation)
905	CVT	Continuously Variable Transmission
906	CW	Calendar Week, or: Continuous Wave, or: Clothes Washer, or: Cook Islands (FIPS 10-4 territory code)
907	CWC	Chemical Weapons Convention
908	CWRU	Case Western Reserve University
909	CWS	Canadian Wildlife Service
910	CX	Christmas Island (ISO 3166 digram),or: One Hundred and Ten (in Roman numerals)
911	CXR	Christmas Island (ISO 3166 trigram)
912	CY	Calendar year, or: Cyprus (ISO 3166 and FIPS 10-4 country code digram)
913	CYM	Cayman Islands (ISO 3166 trigram)
914	CZE	Czech Republic (ISO 3166 trigram)
915	CZF	(Christian Zombie Fan)
916	CZMA	(US) Coastal Zone Management Act
917	d	Deci
918	D	Deuterium
919	DAFIF	Digital Aeronautical Flight Information File
920	DAK	Disney's Animal Kingdom
921	DAO	Division Ammunition Officer
922	DARE	Drug Abuse Resistance Education
923	DARO	(U.S.) Defense Airborne Reconnaissance Office
924	DARPA	U.S. Defense Advanced Research Projects Agency
925	DAS	Defensive Aids Suite
926	DASD	(U.S.) Deputy Assistant Secretary of Defense
927	DASL	Datapoint's Advanced Systems Language
928	DAU	(U.S.) Defense Acquisition University
929	DAWN	(U.S.) Drug Abuse Warning Network
930	dB	Decibel
931	DB	Deutsche Bahn
932	Db	Dubnium
933	DBA	De Bellis Antiquitatis (miniature wargaming rules)
934	DBBL	(U.S. Army Simulation Center) Dismounted Battlespace Battle Laboratory
935	DBDO	Desert BDO
936	DBE	Dame Commander of the Order of the British Empire
937	DBF	Detection By Fire (weapon launch signature)
938	DBR	De Bellis Renationis (miniature wargaming rules)
939	DBRA	Davis-Bacon Related Acts
940	DBS	Direct Broadcast Services (television)
941	DCAA	(U.S.) Defense Contract Audit Agency
942	DCAS	Devon and Cornwall Archery Society
943	DCC	Dallas Christian College
944	DCD	[Organ] Donation after Cardiac Death
945	DCE	Data Communication Equipment
946	DCFC	Death Cab for Cutie
947	DCL	Disney Cruise Line
948	DCN	Deacon
949	DCOM	Disney Channel Original Movie
950	DCSOPS	Deputy Chief of Staff for Operations and plans
951	DCW	Digital Chart of the World
952	DCYSC	Discovery Channel Young Scientist Challenge
953	DD	due diligence and dear daughter (increasingly prevalent on social mailing lists,blogs,and bulletin boards)
954	DDA	Deputy District Attorney
955	DDN	U.S. Defense Data Network
956	DDS	Doctor of Dental Surgery
957	DEA	Drug Enforcement Administration
958	DEA	Drug Enforcement Agency
959	DeCA	(U.S.) Defense Commissary Agency
960	DEFCON	Defence readiness condition
961	DELT	Dual Ended Line Test (ing)
962	DEPSECDEF	(U.S.) Deputy Secretary of Defense
963	DERA	British Defence Evaluation and Research Agency (1995-2001)
964	DES	Deep Ecliptic Survey
965	DEU	Germany (ISO 3166 trigram)
966	DFAS	(U.S.) Defense Finance and Accounting Service
967	DFCB	Data Format Control Book
968	DfID	UK Department for International Development
969	DFM	Discrete Field Model see Superluminal motion
970	DFM	Dynamic Flowgraph Methodology
971	DFSP	Dermatofibrosarcoma protuberans
972	DfT	UK Department for Transport
973	DGPS	Differential GPS
974	DGZ	Desired Ground Zero
975	DHA	DocosaHexaenoic Acid
976	DHHS	(U.S.) Department of Health and Human Services
977	DHRA	(U.S.) DoD Human Resources Activity
978	DHS	U.S. Department of Homeland Security
979	DHSS	UK Department of Health and Social Security
980	DHTFYSS	U.S. Don't Have Time For You Silly S****
981	DHY	Dahomey (ISO 3166 trigram; became BEN for Benin in 1977)
982	DIA	U.S. Defense Intelligence Agency
983	DIAC	Department of Immigration and Citizenship (Australia) [1]
984	DiC	Design Island Centre (computing usually used in a teaching situation)
985	DICASS	DIrectional Command Activated Sonobuoy System
986	DIFAR	DIrectional Frequency Analysis and Recording
987	DIME	Dense Inert Metal Explosive
988	DIP	Dual In-line Package (electronics)
989	DIPS	Defense independent pitching statistics
990	DIR	Defence Industrial Research
991	DISCOM	Division Support Command
992	DISE	Deployable Intelligence Support Element
993	DISSTAF	DIS Search and Target Acquisition Fidelity experiment
994	DITY	Do-It-Yourself
995	DIVAD	Division Air Defence
996	DIY	Do It Yourself
997	DJI	Djibouti (ISO 3166 trigram)
998	DK	Denmark (ISO 3166 digram)
999	DL	Dexter's Laboratory
1000	DLIC	Detachment Left-In-Contact
1001	DLIR	Depot-Level Inspection and Repair
1002	DLPMC	DorsoLateral PreMotor Cortex
1003	DLRP	Data Link Reference Point
1004	DLS	Deep Lens Survey
1005	DLSA	(U.S.) Defense Legal Services Agency
1006	DLSc	Diploma in Library Science
1007	DLTBGYD	Don't let the bastards grind you down
1008	DMC	(U.S.) Defense Management Council
1009	DMCA	Digital Millennium Copyright Act
1010	DMM	Digital Multimeter
1011	DMOC	Distributed Mission Operations Centre
1012	DMPA	(U.S.) Defense Medical Programs Activity
1013	DMPFC	DorsoMedial PreFrontal Cortex
1014	DMPK	Drug Metabolism and Pharmacokinetics
1015	DMRB	Design Manual for Roads and Bridges
1016	DMS	U.S. Defense Message System
1017	DMSP	U.S. Defense Meteorological Satellite Program
1018	DMT	Dimethyltryptamine
1019	DMV	Department of Motor Vehicles
1020	DMZ	DeMilitarized Zone
1021	DN	Deacon
1022	DNAW	Day Night All Weather
1023	DNDi	Drugs for Neglected Diseases initiative
1024	DNDO	U.S. Domestic Nuclear Detection Office
1025	DNK	Denmark (ISO 3166 trigram)
1026	DNM	Defence Nuclear Material
1027	DNR	Do Not Resuscitate
1028	DNS	Domain Name System
1029	DOB	Date Of Birth
1030	DOD	U.S. Department of Defense
1031	DODAF	U.S. Department of Defense Architectural Framework
1032	DoDD	U.S. Department of Defense Directive
1033	DoDEA	(U.S.) Department of Defense Education Activity
1034	DOE	U.S. Department of Energy
1035	DOHC	Dual-OverHead-Cam engine
1036	DOI	U.S. Department of the Interior
1037	DORA	Defence of the Realm Act
1038	DOS	Density of State
1039	DOTA	short-form for DEFENSE OF THE ANCIENTS a popular online epic game
1040	DotD	Deal of the Day (marketing gimmick)
1041	DOW	Died of Wounds
1042	DP	Division de production (Algerian petroleum company)
1043	DPA	UK Defence Procurement Agency
1044	DPCO	Double-Pole Change Over
1045	DPDT	Double-Pole Double-Throw
1046	DPI	Dots Per Inch
1047	DPICM	Dual-Purpose Improved Conventional Munition
1048	DPKO	UN Department for Peacekeeping Operations
1049	DPMO	(U.S.) Defense Prisoner of War/Missing Personnel Office
1050	DPPDB	Digital Point Positioning Database
1051	DPRK	Democratic People's Republic of Korea
1052	DPST	Double-Pole Single-Throw
1053	DRC	Democratic Republic of the Congo
1054	DRDC	Defence Research & Development Canada
1055	DREA	Defence Research Establishment Atlantic (obsolete 2002)
1056	DRES	Defence Research Establishment Suffield (obsolete 2002)
1057	DRET	Defence Research Establishment Toronto (obsolete 2002)
1058	DREV	Defence Research Establishment Valcartier (obsolete 2002)
1059	DRIC	(U.S.) Defense Research Information Center
1060	DRMS	(U.S.) Defense Revitalization and Marketing Service
1061	DRPR	Drawing Practices
1062	DRT	Document Related Technologies
1063	Ds	Darmstadtium
1064	DSAS	Disney Sing Along Songs
1065	DSB	(U.S.) Defense Science Board
1066	DSCS	U.S. Defense Satellite Communications System
1067	DSCSOC	DSCS Operations Center
1068	DSE	Dry Sheep Equivalent
1069	DSG	Direct-Shift Gearbox
1070	DSID	Dismounted Soldier Identification System
1071	DSL	Digital Subscriber Line
1072	DSLR	Digital single-lens reflex (camera)
1073	DSM	Diagnostic and Statistical Manual of Mental Disorders
1074	DSN	Deep Space Network
1075	DSPL	Design Specialists and Plans Language
1076	DSR	Deformed Special Relativity
1077	DST	Daylight Saving Time
1078	DSTL	British Defence Science and Technology Laboratory
1079	DSWA	(U.S.) Defense Special Weapons Agency
1080	DTA	Dental Technologists Association
1081	DTD	Digital Terrain Data
1082	DTG	Date-Time Group
1083	DTH	Direct To Home (television)
1084	DTI	UK Department of Trade and Industry
1085	DTIC	(U.S.) Defense Technical Information Center
1086	DTL	Diode-Transistor Logic (electronics)
1087	DTMF	Dual-tone multi-frequency signaling
1088	DTO	Disruptive Technology Office (was ARDA)
1089	DTR	Determine The Relationship
1090	DTSA	(U.S.) Defense Technology Security Administration
1091	DUMBO	Down Under the Manhattan Bridge Overpass (Brooklyn neighborhood)
1092	DUSD	(U.S.) Deputy Under-Secretary of Defense
1093	DVLC	UK Driver and Vehicle Licencing Centre
1094	DVM	Doctor of Veterinary Medicine
1095	DVO	Direct View Optics
1096	DVOM	Digital Volt-Ohm Meter
1097	DVP	various meanings (disambiguation page)
1098	DW	Drum Workshop
1099	DWIM	Do What I Mean
1100	DWM	Doctor Who Magazine
1101	DWTS	Dancing with the Stars
1102	DWW	Down with Webster
1103	DXA	Dual-energy X-ray Absorptiometry
1104	DXM	DeXtroMethorphan
1105	DY	Dahomey (ISO 3166 digram; obsolete since 1977)
1106	Dy	Dysprosium
1107	DZA	Algeria (ISO 3166 trigram)
1108	E	East
1109	EABU	Explain Acronyms Before Use
1110	EAC	Echelons Above Corps
1111	EAPC	Euro-Atlantic Partnership Council
1112	EAST	Experimental Advanced Superconducting Tokamak
1113	EBD	Electronic Brake Distribution
1114	EBE	Extraterrestrial Biological Entity
1115	EBSA	Employee Benefits Security Administration
1116	EBW	Electron Beam Welding
1117	EBW	Exploding BridgeWire
1118	ECASS	European Centre for Analysis in the Social Sciences [1]
1119	ECBR	European Coalition for Biomedical Research
1120	ECCM	Electronic Counter-Counter-Measures
1121	ECFS	Electronic Case Filing System
1122	ECG	Electrocardiogram
1123	ECHR	European Convention on Human Rights
1124	ECJ	European Court of Justice
1125	ECL	Emitter Coupled Logic (electronics)
1126	ECommHR	European Commission on Human Rights
1127	ECSC	European Coal and Steel Community (distant ancestor of the EU)
1128	ECT	ElectroConvulsive Therapy
1129	ECtHR	European Court of Human Rights
1130	EDA	European Defence Agency
1131	EDAC	Error Detection And Correction
1132	EDCS	Environmental Data Coding Specification
1133	EDH	Eastman Dental Hospital
1134	EDSA	Epifanio de los Santos Avenue (a major thoroughfare in Manila with great significance to post-1980 Philippines history)
1135	EDT	Eastern Daylight Saving Time (UTC−4 hours)
1136	EEC	European Economic Community (predecessor of the EU)
1137	EEG	ElectroEncephaloGram
1138	EENT	End Evening Nautical Twilight
1139	EEO	Equal Employment Opportunity
1140	EEOC	(U.S.) Equal Employment Opportunity Commission
1141	EEZ	Economic Exclusion Zone or Exclusive Economic Zone
1142	EFF	Electronic Frontier Foundation
1143	EFL	English as a Foreign Language
1144	EFM	Enterprise Feedback Management
1145	EFOA	European Fuel Oxygenates Association
1146	EFSA	European Food Safety Authority
1147	EFT	Electronic Fund Transfer
1148	EFV	Expeditionary Fighting Vehicle
1149	EG	Egypt (ISO 3166 digram; FIPS 10-4 country code)
1150	EGCG	EpiGalloCatechin-3-Gallate
1151	EGIS	Erieye Ground Interface Segment
1152	EGRET	Energetic Gamma-Ray Experiment Telescope
1153	EGY	Egypt (ISO 3166 trigram)
1154	EHF	Extremely High Frequency
1155	EHR	Equipment History Record
1156	Ei	Exbi
1157	EI	Ireland (FIPS 10-4 country code; from Éire)
1158	EIA	Environmental Impact Assessment
1159	EIAH	Encyclopedia of Iranian Architectural History
1160	EIAH	Environnements Informatiques pour l'Apprentissage Humain
1161	EIC	East India Company
1162	EICS	East India Company's Service
1163	eID	electronic ID
1164	EIRP	Effective Isotropic Radiated Power
1165	EIS	Environmental Impact Statement
1166	EJ	Exajoule
1167	EKG	Electrocardiogram (from German Elektrokardiogramm)
1168	EKMS	Electronic Key Management System
1169	EL	Exalitre
1170	ELINT	Electronic Intelligence
1171	ELL	English Language Learner
1172	ELM	Edge-Localised Mode (plasma physics)
1173	ELO	Electric Light Orchestra
1174	ELSS	Emergency Life Support Stores
1175	EM	ElectroMagnetism/ElectroMagnetic
1176	Em	Exametre
1177	EMA	European Medicines Agency
1178	EMCON	(Electromagnetic) Emissions Control
1179	EMDG	Euro-Missile Dynamics Group
1180	EMDR	Eye Movement Desensitisation and Reprocessing
1181	EMEA	Europe,Middle East and Africa
1182	EMG	ElectroMyoGraph
1183	EMP	ElectroMagnetic Pulse
1184	EMS	Emergency Medical Services
1185	EMT	Emergency Medical Technician
1186	ENCODE	Encyclopedia of DNA Elements (human genome data project)
1187	ENE	East North-East
1188	ENG	England (FIFA trigram; not eligible for an ISO 3166 or IOC trigram)
1189	ENTEC	Euro NATO Training Engineer Centre
1190	ENVL	Envelope
1191	ENY	Enemy
1192	EOD	Explosive Ordnance Disposal
1193	EOG	ElectroOculoGraphy
1194	EOM	End of Message
1195	EOSAT	Earth Observation Satellite
1196	EOSDIS	Earth Observation Satellite Data and Information System
1197	EP	European Parliament
1198	EP	Extended play
1199	EPCOT	Experimental Prototype Community Of Tomorrow
1200	EPGS	EOS Polar Ground Sites
1201	EPIRB	Emergency Position Indicating Radio Beacon
1202	EPL	English Premier League
1203	EPOS	Electronic Point Of Sale
1204	EPPA	Employee Polygraph Protection Act
1205	EPR	European Pressurised [Nuclear] Reactor
1206	EQ	Emotional Quotient
1207	Er	Erbium
1208	ERCIM	European Research Consortium for Informatics and Mathematics
1209	ERI	Eritrea (ISO 3166 trigram)
1210	ERLAWS	Eastern Ruapehu Lahar Alarm and Warning System
1211	EROS	Earth Resources Observation System
1212	ERP	Engineer Regulating Point
1213	ERR	Eesti Rahvusringhääling
1214	ERS	Earth Resources Survey
1215	ERTS	Earth Resources Technology Satellite (became Landsat)
1216	ERV	Endogenous RetroVirus
1217	ESD	ElectroStatic Discharge
1218	ESDP	European Security and Defence Policy
1219	ESE	East South-East
1220	ESH	Western Sahara (ISO 3166 trigram)
1221	ESL	English as a Second Language
1222	ESM	Electronic warfare Support Measures
1223	ESO	European Southern Observatory
1224	ESOL	English for Speakers of Other Languages
1225	ESPN	Entertainment and Sports Programming Network
1226	ESU	Emergency Services Unit
1227	ESV	Engineer Support Vehicle
1228	ET	Ethiopia (ISO 3166 digram; FIPS 10-4 country code)
1229	ETH	Ethiopia (ISO 3166 trigram)
1230	ETI	Extra-Terrestrial Intelligence
1231	ETLA	Extended TLA
1232	ETT	Embedded Training Team
1233	Eu	Europium
1234	EUCOM	(U.S.) European Command
1235	EUUSA	European Union and United States of America
1236	EV	Exavolt
1237	EVIL	Electronic viewfinder (with) interchangeable lens (a type of digital camera)
1238	EWTN	Eternal Word Television Network
1239	Exatesla	Extra Terrestrial
1240	EXREP	Expeditious Repair (SM&R code)
1241	f	Femto
1242	fA	Femtoampere
1243	FA	Food Addicts in Recovery Anonymous
1244	FAA	Financial Aid Administrator,Fleet Air Arm,Functional Area Analysis
1245	FAAD	Forward Area Air Defence
1246	FAADEZ	Forward Area Air Defence Engagement Zone
1247	FAAFP	Fellow of the American Academy of Family Physicians
1248	FAAN	Fellow of the American Academy of Neurology
1249	FAAN	Fellow of the American Academy of Nursing
1250	FAAQ	Frequently Asked and Anticipated Questions
1251	FAASV	Field Artillery Ammunition Supply Vehicle
1252	FAB	Feline Advisory Bureau (UK feline charity)
1253	FACA	(US) Federal Advisory Committee Act
1254	FACH	Fuerza Aérea de Chile
1255	FACN	Fellow of the American College of Nutrition
1256	FACP	Fellow of the American College of Physicians
1257	FACTS	Flexible Alternating Current Transmission System
1258	FAM	Foreign Affairs Manual
1259	FAO	Food and Agriculture Organization
1260	FAPA	Fellow of the American Psychological Association
1261	FAPHA	Fellow of the American Public Health Association
1262	FARP	Forward Arming and Refuelling Point / Forward Area Rearm/refuel Point
1263	FASCAM	Family of Scatterable Mines[1]
1264	FASD	Fetal Alcohol Spectrum Disorder
1265	FASEB	Federation of American Societies for Experimental Biology
1266	FAT	Field Artillery Tractor
1267	FAVS	Future Armoured Vehicle System
1268	FAW	Football Association of Wales
1269	FBCS	Fellow of the British Computer Society
1270	FBIDST	Fellow of the British Institute of Dental and Surgical Technologists
1271	FBIS	Foreign Broadcast Information Service
1272	FBM	Board foot
1273	fC	Femtocoulomb
1274	FCC	U.S. Federal Communications Commission
1275	FCE	First Certificate in English
1276	FCF	Financial Free Cash Flow
1277	FCLA	Fraud Claims Law Associate
1278	FCO	UK Foreign and Commonwealth Office
1279	FCW	Florida Championship Wrestling
1280	FD	Falun Dafa
1281	FDA	Food and Drug Administration (U.S.)
1282	FDBK	(I) Feedback
1283	Fe	Iron (Latin Ferrum)
1284	FEAST	Forum for European-Australian Science and Technology Cooperation
1285	FEATS	Festival of European Anglophone Theatrical Societies link title
1286	FEBA	Forward Edge of the Battle Area
1287	FED	Field Emission Display
1288	FEDEP	Federation Development Process (Simulation)
1289	FEF	Frontal Eye Field (neurophysiology)
1290	FEMA	Farm Equipment Manufacturers Association, U.S. Federal Emergency Management Agency,Fire Equipment Manufacturers' Association
1291	FENS	Federation of European Neuroscience Societies
1292	FES	Flywheel Energy Storage
1293	FEST	Frankfurt English Speaking Theatre link title
1294	FET	Field-effect transistor
1295	FEZ	Fighter Engagement Zone
1296	fF	Femtofarad
1297	FF	Final Fantasy
1298	FFB	Frum From Birth (referring to an observant Jew born into a religiously observant family)
1299	FFC	Free For Chat
1300	FFE	Fukuoka Futures Exchange
1301	FFF	Fédération française de football (French for: French Football Federation)
1302	FFG	Guided Missile Frigate (hull classification symbol)
1303	FFOV	Forward Field Of View
1304	FFR	Fédération française de rugby (French for: French Rugby (Union) Federation)
1305	FFS	For Fuck's Sake
1306	FFT	Final Fantasy Tactics
1307	FG	Falun Gong
1308	fg	Femtogram
1309	FG	Fog (METAR Code), French Guiana (FIPS 10-4 territory code)
1310	FGOTUS	First Gentleman of the United States
1311	FGR	Flickr Group Roulette
1312	fH	Femtohenry
1313	FHFIF	Foster's Home for Imaginary Friends
1314	FHI	Family Health International, Fuji Heavy Industries,Ltd.
1315	FI	Finland (ISO 3166 digram; FIPS 10-4 country code)
1316	FIAT	Fabbrica Italiana Automobili Torino (Italian for: Italian Car Factory of Turin)
1317	FIB	Fucking Illinois Bastard (Wisconsin slang, variants exist)
1318	FIBUA	Fighting In Built-Up Areas
1319	FIC	Fellowship for Intentional Community
1320	FID	Foreign Internal Defence
1321	FIE	Fly-In Echelon
1322	FIFA	Fédération internationale de football association (French for: International Association Football Federation)
1323	FIFe	Fédération internationale féline (French for: International Feline Federation)
1324	FIFO	First In, First Out
1325	FIFRA	Federal Insecticide, Fungicide, and Rodenticide Act
1326	FIGJAM	Fuck I'm Good, Just Ask Me
1327	FIMPT	Fellow of the Institute of Maxillofacial Prosthetists and Technologists
1328	FIN	Finland (ISO 3166 trigram)
1329	FINA	Fédération internationale de natation (French for: International Swimming Federation)
1330	FIRES	Fever Induced Refractory Epilepsy Syndrome or Febrile Infection-Related Epilepsy Syndrome
1331	FIS	Fédération internationale de ski (French for: International Ski Federation)
1332	FISA	Fédération Internationale des Sociétés d'Aviron (French for: International Federation of Rowing Associations)
1333	FISH	Fluorescence In-Situ Hybridisation
1334	FiST	Fire Support Team
1335	FITS	Flexible Image Transport System
1336	FIU	Florida International University
1337	fJ	Femtojoule
1338	FJ	Fiji (ISO 3166 digram; FIPS 10-4 country code)
1339	FJI	Fiji (ISO 3166 trigram)
1340	FJN	Financial Job Network
1341	FK	Falkland Islands (ISO 3166 digram; FIPS 10-4 territory code)
1342	fK	Femtokelvin
1343	FKSM	Fort Knox Supplemental Manual
1344	FKT	Fastest Known Time
1345	fL	Femtolitre
1346	FL	Florida (postal symbol)
1347	fl	floruit (Latin for: living) (genealogy)
1348	FLA	Florida,Front Line Assembly,Future Large Aircraft
1349	FLAB	Four-letter abbreviation
1350	FLAC	Free Legal Advice Centres
1351	FLAC	Free Lossless Audio Codec
1352	FLAK	Flug-Abwehr-Kanone (German for: Anti-Aircraft Guns)
1353	FLB	Forward Logistics Base
1354	FLET	Forward Line of Enemy Troops
1355	FLG	Falun Gong
1356	FLIP	Flight Information Publication
1357	FLIR	Forward Looking InfraRed (sensor)
1358	FLK	Falkland Islands (ISO 3166 trigram)
1359	FLOT	Forward Line of Own Troops
1360	FLOTUS	First Lady of the United States (the wife of the President of the United States)
1361	FLQ	Free Legal Questions
1362	FLQ	Front de libération du Québec (French for: Québec Liberation Front)
1363	FLSA	Fair Labor Standards Act
1364	FLTSAT	Fleet Satellite
1365	FLTSATCOM	Fleet Satellite Communication System
1366	FLUBOS	Fat, Lazy, Useless, Bag Of Shit
1367	FM	Factory Mutual
1368	FM	Federal Magistrate (Australian post-nominal),Federated States of Micronesia (postal symbol; ISO 3166 digram; FIPS 10-4 territory code),Field Manual,Flight Manager,Frequency Modulation (electronics)
1369	fm	Femtometre
1370	Fm	Fermium
1371	FMC	Federal Magistrates' Court (an Australian federal court,formerly FMS),Food Machinery Corporation (original name of the company now known as FMC Corporation)
1372	FMCA	Federal Magistrates' Court of Australia (used for citing decisions of the FMC other than family law decisions)
1373	FMCAfam	Federal Magistrates' Court of Australia: family (used for citing family law decisions of the FMC)
1374	FMCG	Fast Moving Consumer Goods
1375	FME	Formal Methods Europe
1376	FMECA	Failure Modes and Effect Criticality Analysis
1377	FMJD	Fédération Mondiale du Jeu de Dames
1378	FMLA	Family Medical Leave Act
1379	FoE	Friends of the Earth
1380	FOGC	Federal Oil and Gas Council
1381	FOH	Front Of House
1382	FOIA	Freedom of Information Act
1383	FOM	Federation Object Model
1384	FONSI	Finding of No Significant Impact
1385	FOO	Forward Observation Officer
1386	FOOP	Friends Of Organ Pipes (Volunteer group)
1387	FoS	Family of Systems
1388	FOSE	Fallout 3 Script Extender
1389	FOSE	Federal Office Systems Expo
1390	FOT	Free on truck
1391	FOTA	Fellow of the Orthodontic Technicians Association
1392	FOTC	Flight of the Conchords
1393	FOUO	For Official Use Only
1394	FP	French Polynesia (FIPS 10-4 territory code)
1395	FPF	Federação Portuguesa de Futebol (Portuguese for: Portuguese Football Federation), Final Protective Fire
1396	FPS	Fire Prevention System
1397	FQ	Baker Island (FIPS 10-4 territory code),French Southern and Antarctic Territories (ISO 3166 digram; obsolete 1979)
1398	FR	France (FIPS 10-4 country code; ISO 3166 digram)
1399	Fr	Francium
1400	FRA	Federal Railroad Administration, France (ISO 3166 trigram)
1401	FRAND	Fair,reasonable,and non-discriminatory (concept in standards-setting and intellectual property law)
1402	FRCP	Federal Rules of Civil Procedure,Fellow of the Royal College of Physicians
1403	FRICBM	Full Range ICBM
1404	FRO	Faroe Islands (ISO 3166 trigram)
1405	FRS	Fellow of the Royal Society, U.S. Federal Reserve System
1406	FRSA	Fellow of the Royal Society of Art
1407	FRY	Federal Republic of Yugoslavia
1408	fs	Femtosecond
1409	fS	Femtosiemens
1410	FSA	Fire Support Area, UK Food Standards Agency, Functional Solution Analysis
1411	FSC	Federal Supply Classification, Forest Stewardship Council (ecological pressure group)
1412	FSCL	Fire Support Co-ordination Line
1413	FSE	Fire Support Element
1414	FSF	Free Software Foundation
1415	FSH	Follicle Stimulating Hormone
1416	FSI	Fuel Stratified Injection
1417	FSS	Fire Support Station
1418	FSSP	Families of Structurally Similar Proteins
1419	FSTC	Foreign Science Technology Center (now NGIC)
1420	fT	Femtotesla
1421	FTC	Federal Trade Commission
1422	FTE	Full Time Equivalent
1423	FTL	Faster Than Light
1424	FTS	Flight Termination System used during some rocket launches
1425	FTS	Fuck That Shit
1426	FU	Smoke (METAR Code)
1427	FUBAR	Fucked/Fouled Up Beyond All Recognition/Repair
1428	fV	Femtovolt
1429	fW	Femtowatt
1430	FW	Forward
1431	FWC	Football World Cup
1432	FWF	Fixed Word Format
1433	FWI	French West Indies
1434	FWIW	For What It's Worth
1435	FWS	U.S. Fish and Wildlife Service
1436	FWT	Fresh Water Tank
1437	FXX	Metropolitan France (ISO 3166 trigram; obsolete 1997)
1438	FYA	For Your Agenda
1439	FYDP	Five-Year Defense Plan (U.S.)
1440	FYI	For Your Information
1441	FYROM	Former Yugoslav Republic of Macedonia
1442	FZDZ	Freezing Drizzle (METAR Code)
1443	FZFG	Freezing Fog (METAR Code)
1444	FZRA	Freezing Rain (METAR Code)
1445	g	Gram
1446	G3	Heckler & Koch G3
1447	GAAR	General Anti-Avoidance Rule (tax evasion)
1448	GAB	Gabon (ISO 3166 trigram)
1449	GABA	Gamma-AminoButyric Acid
1450	GAD	Generalized Anxiety Disorder
1451	GAF	Garfield and Friends
1452	GAO	U.S. Government Accountability Office
1453	GAW	Global Atmospheric Watch
1454	GBBC	Great (Global) Backyard Bird Count
1455	GBE	Knight/Dame Grand Cross of the Order of the British Empire
1456	GBR	United Kingdom of Great Britain and Northern Ireland (ISO 3166 trigram)
1457	GCA	Graduate in Claims Administration
1458	GCD	see entry
1459	GCF	Greatest Common Factor
1460	GCI	Ground-controlled interception
1461	GCN	Gamma-ray burst Coordination Network
1462	GCS	Global Coordinate System
1463	GCSE	General Certificate of Secondary Education (UK)
1464	Gd	Gadolinium
1465	GD	Grenada (ISO 3166 digram)
1466	GDL	Game Definition Language
1467	GDR	General Distribution Release (Microsoft Term for a software service release; between Hotfix and Service Pack)
1468	GDR	German Democratic Republic (cf. DDR)
1469	GDW	Game Designers Workshop
1470	Ge	Germanium
1471	GEBCO	General Bathymetric Chart of the Oceans
1472	GEC	Great Engineering Challenge
1473	GED	General Educational Development (high school equivalency credential in the U.S. and Canada)
1474	GEEP	Geophysical Equipment Exploration Platform
1475	GEN	Full General (four stars) in the U.S. Army
1476	GeV	Gigaelectron-volt
1477	GEV	Ground Effect Vehicle
1478	GFCI	Ground Fault Circuit Interruptor (aka GFI)
1479	GFI	Ground Fault Interruptor (aka GFCI)
1480	GFL	German Football League (Germany's Bundesliga for American football; the English-language name is used in German without translation)
1481	GFN	Global Footprint Network
1482	GG	Georgia (FIPS 10-4 country code)
1483	GGK	Good God Karma
1484	GHA	Ghana (ISO 3166 trigram)
1485	GHB	gamma-Hydroxybutyric acid
1486	Gi	Gibi
1487	GIB	Gibraltar (ISO 3166 trigram)
1488	GIG	Global Information Grid
1489	GINO	Godzilla In Name Only
1490	GISS	General Impression of Size and Shape,Goddard Institute for Space Studies
1491	GJD	Geocentric Julian Day
1492	GLAAD	Gay and Lesbian Alliance Against Defamation
1493	GLAC	General Ledger Accounting Code
1494	GLAST	Gamma-ray Large Area Space Telescope
1495	GLBA	Gramm-Leach-Bliley Act
1496	GLC	Gas-liquid chromatography
1497	GLP	Guadeloupe (ISO 3166 trigram)
1498	GLV	Gained Life Value
1499	Gm	Gigametre
1500	GM	The Gambia (ISO 3166 digram),GameMaster (role-playing),General Motors,Genetically Modified,Germany (FIPS 10-4 country code),Guru Meditation (computing)
1501	GMAC	General Motors Acceptance Corporation,the original name of the company now known as Ally Financial,Graduate Management Admission Council,G-MAC,Great Midwest Athletic Conference
1502	GMB	The Gambia (ISO 3166 trigram),General,Municipal,Boilermakers (and Allied Trade Union)
1503	GMFSC	Ground Mobile Forces Satellite Communications
1504	GMO	Genetically Modified Organism
1505	GMPCS	Global Mobile Personal Communications by Satellite
1506	GNAS	Grand National Archery Society
1507	GNB	Guinea-Bissau (ISO 3166 trigram)
1508	GNP	Gross National Product
1509	GNQ	Equatorial Guinea (ISO 3166 trigram)
1510	GnRH	Gonadotropin-Releasing Hormone
1511	GO	Glorioso Islands (FIPS 10-4 territory code)
1512	GOA	General of the Army (United States only)
1513	GOAT	Greatest Of All Time
1514	GOC	General Officer Commanding
1515	GOES	Geostationary Operational Environmental Satellite
1516	GOP	Grand Old Party
1517	gorp	granola,oats,raisins,peanuts (another name for trail mix),probably a backronym
1518	GOSC	General Officer Steering Committee
1519	GOSH	Great Ormond Street Hospital
1520	GOSP	Gas/Oil Separation Plant
1521	GOTS	Government off-the-shelf
1522	GOYADIN	Get Off Your Arse,Do It Now (anti-procrastination mantra)
1523	GP	General Practitioner,General Purpose,Grand Prix,Guadeloupe (ISO 3166 digram; FIPS 10-4 territory code)
1524	GPA	Grade Point Average
1525	GPC	Global Path Cache
1526	GPIB	General-Purpose Instrumentation/Interface Bus
1527	GPO	General Post Office
1528	GPPC	Genetics and Public Policy Center
1529	GPR	Ground-Penetrating Radar
1530	GPS	General Problem Solver,Global Positioning System
1531	GPT	General Purpose Technology, Get paid to surf (an online business model)
1532	GQ	Equatorial Guinea (ISO 3166 digram),Gentlemen's Quarterly (the original name of the magazine now known simply as GQ),Guam (FIPS 10-4 territory code),GR[edit]
1533	GR	Greece (FIPS 10-4 country code; ISO 3166 digram),Hail (METAR Code)
1534	GRAIL	Gravity Recovery and Interior Laboratory
1535	GRAS	Generally recognized as safe (FDA list)
1536	GRB	Gamma-Ray Burst
1537	GRC	Greece (ISO 3166 trigram)
1538	GRD	Grenada (ISO 3166 trigram)
1539	GRE	Graduate Record Examination,Greece (IOC and FIFA trigram,but not ISO 3166)
1540	grep	[search] Globally for Regular Expression,Print [lines]
1541	GRID	Gay-Related Immune Deficiency (original name of AIDS)
1542	GRid	Global Release Identifier,a music industry identifier from the RIAA and IFPI
1543	GriT	Girl raised in Texas (Woman presenting firm southern traits/beliefs)
1544	GRL	Greenland (ISO 3166 trigram)
1545	GRN	Grenada (IOC and FIFA trigram,but not ISO 3166),Goods Received Note
1546	Gs	Gigasecond
1547	GSA	U.S. General Services Administration
1548	GSD	Graphical Situation Display
1549	GSGB	(God send glamour boy 9-10/10)
1550	GSK	GlaxoSmithKline [good sexual karma]
1551	GSN	Game Show Network
1552	GSO	General Services Officer (U.S. Department of State)
1553	GSOH	Good Sense Of Humour
1554	GSP	Georges St-Pierre (Canadian MMA fighter)
1555	GSR	Gun Shot Residue
1556	GSS	Generic Security Services
1557	GSW	Gunshot wound
1558	GTD	Getting Things Done
1559	GTG	Got To Go (Internet chat)
1560	GTGN	Getty Thesaurus of Geographic Names
1561	GTK	Good To Know (Internet chat)
1562	GTM	Guatemala (ISO 3166 trigram)
1563	GU	Guam (postal symbol; ISO 3166 digram)
1564	GUF	French Guiana (ISO 3166 trigram)
1565	GUILT	Gangliated Utrophin Immuno Latency Toxin
1566	GULCR	Grupo de Usuarios de Linux de Costa Rica
1567	GUT	Grand Unification Theory
1568	GWARS	Ground Warfare System (simulation)
1569	GWAS	Grand Western Archery Society
1570	GWOT	Global War on Terrorism
1571	GXE	Gene-enivronment interaction
1572	GXM	Matrox Graphics eXpansion Module
1573	GY	Guyana (FIPS 10-4 country code; ISO 3166 digram)
1574	GZK	Greisen-Zatsepin-Kuzmin cut-off (cosmic ray energies)
1575	h	Hecto
1576	HAARP	High Frequency Active Auroral Research Program
1577	HAART	Highly Active Anti-Retroviral Therapy
1578	HAI	Human Awareness Institute
1579	HAL	Hardware Abstraction Layer
1580	HALO	High Altitude Low Opening (parachute jump)
1581	HAM	Amateur radio operator
1582	HANS	Head And Neck Support (device used in many race cars)
1583	HARM	High-speed Anti-Radiation Missile
1584	HAW	Heavy Antitank Weapon
1585	HAWK	Homing All the Way Killer (air defence system)
1586	HAZ	Heat-Affected Zone
1587	HAZMAT	Hazardous Materials
1588	HBCD	HexaBromoCycloDodecane
1589	HBO	Home Box Office
1590	HBR	Harvard Business Review
1591	HBT	Heterojunction Bipolar Transistor
1592	HBV	Hepatitis B Virus
1593	HCCI	Homogeneous Charge Compression Ignition
1594	HCF	Highest Common Factor
1595	HCSC	Higher Command and Staff Course
1596	HDL	High-Density Lipoprotein
1597	HDM	Human Decision-Making
1598	HDRA	Henry Doubleday Research Association
1599	He	Helium
1600	HE	High Explosive
1601	HEAT	High Explosive Anti-Tank (ammunition)
1602	HEBA	Hellenic Basketball Clubs Association
1603	HEER	High-Explosive Extended Range (ammunition)
1604	HEIC	Honourable East India Company
1605	HEMP	High-Altitude Electromagnetic Pulse
1606	HEOSS	High Earth Orbit Space Surveillance
1607	HEP	High-Explosive Plastic (ammunition)
1608	HEPA	High-Efficiency Particulate Air (filter)
1609	HESV	Heavy Engineering Support Vehicle
1610	HETT	Heavy Equipment Transporting Truck / Heavy Equipment Truck Tractor
1611	HEU	Highly Enriched Uranium
1612	Hf	Hafnium
1613	HF	High Frequency
1614	HFE	Human Fertilisation and Embryology (UK Act)
1615	HFE	The common-emitter current gain in a BJT transistor (also represented by βF). See: BJT
1616	HFEA	Human Fertilisation and Embryology Authority (UK)
1617	Hg	Mercury (Latin Hydrargyrum)
1618	HGC	UK Human Genetics Commission
1619	HGF	Human Growth Factor
1620	HGTV	Home & Garden Television
1621	HI	Hawaii (postal symbol)
1622	HIH	His (or Her) Imperial Highness
1623	HIM	His (or Her) Imperial Majesty
1624	HIMAD	High to Medium Altitude Air Defence (see also H/MAD)
1625	HIMEZ	High Altitude Missile Engagement Zone
1626	HIMYM	How I Met Your Mother
1627	HIPAA	U.S. Health Insurance Portability and Accountability Act
1628	Hipparcos	HIgh Precision Parallax COllecting Satellite
1629	Hird	Hurd of interfaces representing depth (cf. HURD)
1630	HiRISE	High Resolution Imaging Science Experiment
1631	HIT	Health Information Technology
1632	HIV	Human Immunodeficiency Virus
1633	HIWT	Hobart Institute of Welding Technology
1634	HJD	Heliocentric Julian Day
1635	HK	Hong Kong (ISO 3166 digram; FIPS 10-4 territory code)
1636	HKG	Hong Kong (ISO 3166 trigram)
1637	HKS	HyperKinetic Syndrome
1638	hL	Hectolitre
1639	HL	Holding Line
1640	HLL	High-Level Language
1641	HLN	Headline News
1642	HLOS	High Level Output Specification
1643	HM	Heard Island and McDonald Islands (ISO 3166 digram; FIPS 10-4 territory code)
1644	HMCE	Her/His Majesty's Customs and Excise (former UK government department; succeeded by HM Revenue and Customs)
1645	HMD	Heard and McDonald Islands (ISO 3166 trigram)
1646	HMF	HydroxyMethyl Furfural
1647	HMO	Health maintenance organization
1648	HMP	Her Majesty's Prison
1649	HMRC	Her/His Majesty's Revenue and Customs
1650	HMSO	Her Majesty's Stationery Office
1651	HMV	His Master's Voice
1652	HN	Honduras (ISO 3166 digram)
1653	HND	Honduras (ISO 3166 trigram)
1654	Ho	Holmium
1655	HO	Honduras (FIPS 10-4 country code)
1656	HOLLAND	Hope Our Love Lasts And Never Dies
1657	HOSTAC	Helicopter Operations from Ships Other Than Aircraft Carriers
1658	HOT	Highly Optimised Tolerance
1659	HOTAS	Hands on throttle-and-stick
1660	HOV	High Occupancy Vehicle
1661	hp	horse power
1662	HPA	UK Health Protection Agency
1663	HPCL	Hindustan Petroleum Corporation Limited
1664	HPLC	High Performance Liquid Chromatography
1665	HPT	High[er] Payoff Target
1666	HPV	Human Papilloma Virus
1667	HRBL	High-level Representation of Behavior Language (original name of the Herbal language)
1668	HRD	Human Resource Development
1669	HRF	High iness Forces
1670	HRH	His (or Her) Royal Highness
1671	HRM	His (or Her) Royal Majesty
1672	HRM	Human Resource Management
1673	HRT	Hormone Replacement Therapy
1674	Hs	Hassium
1675	HSBC	The Hong Kong and Shanghai Banking Corporation
1676	HSC	Higher School Certificate
1677	HSM	High School Musical
1678	HSMAD	Human Science/Modeling and Analysis Data
1679	HSN	Home Shopping Network
1680	HSPH	Harvard School of Public Health
1681	HSSI	High-Speed Serial Interface
1682	HST	see entry
1683	HTA	HyperText Application
1684	HTFU	Harden The Fuck Up
1685	HTH	Hope That Helps
1686	HTI	Haiti (ISO 3166 trigram)
1687	HTML	HyperText Markup Language
1688	HTR	Heated Towel Rail
1689	HTS	High-Temperature Superconducting wire
1690	HTTP	HyperText Transfer Protocol
1691	HU	Hungary (ISO 3166 digram; FIPS 10-4 country code)
1692	HUHA	Head up his/her ass (Marine salute; probably a backcronym)
1693	HUN	Hungary (ISO 3166 trigram)
1694	HURD	Hird of Unix-Replacing Daemons (cf. Hird)
1695	HV	Upper Volta (ISO 3166 digram; obsolete 1984)
1696	HVAP	High Velocity Armour Piercing (ammunition)
1697	HVHF	High velocity human factors
1698	HVM	High Velocity Missile
1699	HVO	Upper Volta (ISO 3166 trigram; obsolete 1984)
1700	HWM	Hardware morphing (computer graphics rendering)
1701	HXB	The glycoprotein Tenascian C
1702	HZ	Haze (METAR Code)
1703	Hz	Hertz
1704	IA	Iowa (postal symbol)
1705	IAAL	I Am A Lawyer
1706	IAB	International Association for Biologicals
1707	IAD	Ion Assisted Deposition
1708	IADS	Integrated Air Defence System
1709	IAEA	International Atomic Energy Agency
1710	IAF	{i} Industrial Areas Foundation
1711	IAFG	Information Assurance Focus Group
1712	IANA	Internet Assigned Numbers Authority
1713	IANAL	I Am Not A Lawyer
1714	IAS	Image Assessment System
1715	IASIP	It's Always Sunny in Philadelphia
1716	IATA	International Air Transport Association
1717	IATF	International Automotive Task Force
1718	IATSE	International Alliance of Theatrical Stage Employees
1719	IAUC	International Astronomical Union Circular
1720	IAW	In Accordance With
1721	IB	International Baccalaureate
1722	IBA	Important Bird Area
1723	IBD	Inflammatory Bowel Disease
1724	IBDM	Information Based Decision Making
1725	IBM	International Business Machines
1726	IBRD	International Bank for Reconstruction and Development (part of the World Bank)
1727	IBS	Irritable Bowel Syndrome
1728	ICANN	Internet Corporation for Assigned Names and Numbers
1729	ICAO	International Civil Aviation Organization
1730	ICBM	Intercontinental Ballistic Missile
1731	ICBN	International Code of Botanical Nomenclature
1732	ICE	In case of emergency
1733	ICES	International Council for the Exploration of the Sea
1734	ICF	Intelligent Community Forum
1735	ICMP	Internet Control Message Protocol
1736	ICNAF	International Commission for the Northwest Atlantic Fisheries (became NAFO in 1978)
1737	ICO	Intermediate Circular Orbit
1738	ICPE	International Conference on Pharmacoepidemiology,the annual conference of the International Society for Pharmacoepidemiology
1739	ICRAF	International Centre for Research in Agroforestry (a.k.a. World Agroforestry Centre since 2002)
1740	ICRISAT	International Crops Research Institute for the Semi-Arid Tropics
1741	ICRL	Individual Component Repair List
1742	ICRS	International Celestial Reference System
1743	ICSI	Intracytoplasmic Sperm Injection
1744	ICT	Information and communication technologies
1745	ICTH	Island Closest to Heaven/Hell Final Fantasy VIII
1746	ICV	Infantry Carrier Vehicle
1747	ICYMI	In Case You Missed It
1748	IDC	International Data Corporation
1749	IDDI	I don't do initialisms (see irony)
1750	IDGAF	I don't give a fuck
1751	IDK	I don't know
1752	IDL	Interface Definition Language
1753	IDN	Indonesia (ISO 3166 trigram)
1754	IEA	International Energy Agency
1755	IEC	International Electrotechnical Commission
1756	IED	Improvised Explosive Device
1757	IELTS	International English Language Testing System
1758	IER	Information Exchange Requirement
1759	IET	Initial Entry Training
1760	IET	Institution of Engineering and Technology
1761	IETF	Internet Engineering Task Force
1762	IEW	Intelligence and Electronic Warfare
1763	IFAB	International Football Association Board
1764	IFAH	International Federation for Animal Health
1765	IFAP	International Federation of Agricultural Producers
1766	IFO	Identified Flying Object (see also UFO)
1767	IFOV	Instantaneous Field of View
1768	IFPI	International Federation of Phonographic Industries
1769	IFRB	International Frequency Registration Board
1770	IFV	Infantry Fighting Vehicle
1771	IG	Inspector General
1772	IGNOU	Indira Gandhi National Open University
1773	IGS	International Ground Station
1774	IHH	Idiopathic Hypogonadotropic Hypogonadism
1775	IHO	International Hydrographic Organization
1776	IHR	Institute for Historical Review
1777	IHSI	Institutum Historicum Societatis Iesu (Jesuit Historical Institute)
1778	II	Two (in Roman numerals)
1779	IICA	Inter-American Institute for Cooperation on Agriculture
1780	IIE	Innovative Interstellar Explorer
1781	III	Three (in Roman numerals)
1782	IIRC	If I Recall/Remember Correctly
1783	IISS	International Institute for Strategic Studies
1784	IJN	Imperial Japanese Navy (World War II)
1785	IJWP	Interim Joint Warfare Publication
1786	ILDS	Improved Landmine Detection System
1787	ILO	International Labour Organization
1788	ILRI	International Livestock Research Institute
1789	ILY	I Love You [pronounced ILL-LEE]
1790	IMBD	International Migratory Bird Day
1791	IMDb	Internet Movie Database
1792	IME	In My Experience
1793	IMHO	In My Humble/Honest Opinion
1794	IML	International Mister Leather
1795	IMNSHO	In My Not So Humble Opinion
1796	IMPAC	International Merchant Purchase Authorization Card
1797	IMPACT	International Medical Products Anti-Counterfeiting Taskforce
1798	IMPATT	IMPact Avalanche Transit Time diode
1799	IMPT	Institute of Maxillofacial Prosthetists and Technologists
1800	IMRL	Individual Material iness List
1801	IMRO-Internal Macedonian Revolutionary Organization	Irish Music Rights Organisation
1802	IMsL	International Ms. Leather
1803	IMT	Integrated Management Tool
1804	IMU	International Mathematical Union
1805	In	Indium
1806	INA	Immigration and Nationality Act
1807	INAS	International Near-Earth Asteroid Survey
1808	INCITS	InterNational Committee for Information Technology Standards
1809	IND	India (ISO 3166 trigram)
1810	INDIGO	(U.S.) INtelligence DIvision Gaming Operation
1811	inet	the Internet
1812	INFORMS	(U.S.) Institute for Operations Research and the Management Sciences
1813	INFOSEC	Information Security
1814	INLA	Irish National Liberation Army
1815	INMARSAT	International Maritime Satellite organization
1816	INRIA	Institut national de recherche en informatique et en automatique
1817	INS	Immigration and Naturalization Service
1818	InSAR	Interferometric synthetic aperture radar
1819	INST	Information Standards and Technology
1820	INTERFET	International Force for East Timor
1821	INTSUM	Intelligence Summary
1822	IO	British Indian Ocean Territory (ISO 3166 digram; FIPS 10-4 territory code)
1823	IOT	British Indian Ocean Territory (ISO 3166 trigram)
1824	IPB	Intelligence Preparation of the Battlefield
1825	IPL	Inferior Parietal Lobule
1826	IPO	Initial Public Offering
1827	IPT	Integrated Product/Project Team
1828	IPTS	Institute for Prospective Technological Studies
1829	IPTV	Internet Protocol TeleVision
1830	IPW	Interrogation of Prisoners of War
1831	Ir	Iridium
1832	IRAD	Internal Research and Development
1833	IRAN	(I) Inspect and Repair As Necessary
1834	IRAS	Infrared Astronomical Satellite
1835	IRB	International Rugby Board
1836	IRBM	Intermediate Range Ballistic Missile
1837	IREA	Intermountain Rural Electric Association
1838	IRINN	Islamic Republic of Iran News Network
1839	IRL	Ireland (ISO 3166 trigram),Industrial Research Limited,Indy Racing League,In real life
1840	IRN	Iran (ISO 3166 trigram)
1841	IRO	International Refugee Organisation
1842	IRQ	Iraq (ISO 3166 trigram)
1843	IRS	U.S. Internal Revenue Service
1844	IRST	Infra-red Search and Track
1845	ISAAA	International Service for the Acquisition of Agri-biotech Applications
1846	ISAR	Inverse SAR (Synthetic Aperture Radar)
1847	ISB	Intermediate Staging Base
1848	ISBN	International Standard Book Number (ISO 2108)
1849	ISCCP	International Satellite Cloud Climatology Project
1850	ISCII	Indian Standard Code for Information Interchange
1851	ISDN	Integrated Services Digital Network
1852	ISEF	Intel International Science and Engineering Fair
1853	ISEN	Internet Search Environment Number
1854	ISF	Internal Security Force
1855	ISIL	Islamic State of Iraq and the Levant
1856	ISIS	Institute for Science and International Security, or: Islamic State of Iraq and Syria
1857	ISL	Iceland (ISO 3166 trigram)
1858	ISLN	International Standard Lawyer Number (used initially by LexisNexis Martindale-Hubbell)
1859	ISMB	International Society of Matrix Biologists
1860	ISMC	Intelligent Sounding Meaningless Conversation
1861	ISOGP	Indian Society of Orthodontics for General Practitioners [2]
1862	ISPE	International Society for Pharmacoepidemiology
1863	ISRO	Indian Space Research Organisation
1864	ISSCR	International Society for Stem Cell Research
1865	ISSN	International standard serial number (ISO 3297)
1866	ISTC	Institute of Scientific and Technical Communications (UK)
1867	ISTS	Intel Science Talent Search
1868	ITA	Italy (ISO 3166 trigram)
1869	ITAG	Inertial Terrain-Aided Guidance
1870	ITALY	I'll Truly Always Love You
1871	ITAS	Improved Target Acquisition Sight
1872	ITC	InferoTemporal Cortex (neurophysiology)
1873	ITCZ	Intertropical Convergence Zone
1874	ITEC	Information Technology Exposition & Conference
1875	ITEMS	Interactive Tactical Environment Management System
1876	ITER	International Thermonuclear Experimental Reactor
1877	ITF	International Tennis Federation
1878	ITK	In The Know
1879	ITN	Independent Television News (British)
1880	ITT	International Telephone and Telegraph (U.S.)
1881	ITTO	International Tropical Timber Organization
1882	IUCN	International Union for the Conservation of Nature and Natural Resources (World Conservation Union)
1883	Iveco	Industrial Vehicles Corporation
1884	IVF	In Vitro Fertilisation
1885	IVI	Interchangeable Virtual Instrument
1886	IVIS	Inter-Vehicle Information System
1887	IVL	Inter-Visibility Line
1888	IVM	In Vitro [Oocyte] Maturation
1889	IVO	In Vicinity Of
1890	IW	Information Warfare
1891	IWARS	Infantry Warrior Simulation
1892	IWC	International Whaling Commission
1893	IWW	Industrial Workers of the World
1894	IX	Nine (in Roman numerals)
1895	IXT	IntraText digital library; IntraText lexical hypertext
1896	IY	Saudi-Iraqi neutral zone (FIPS 10-4 territory code; obsolete 1993)
1897	IZ	Iraq (FIPS 10-4 country code)
1898	J	Joule
1899	J1	Joint [Manpower &] Personnel Directorate
1900	J2	Joint Intelligence Directorate
1901	J3	Joint Operations Directorate
1902	J4	Joint Logistics Directorate
1903	J5	Joint Strategic Plans & Policy Directorate
1904	J7	Joint Operational Plans & Interoperability Directorate
1905	JA	Japan (FIPS 10-4 country code)
1906	JAFT	Just A Field Test
1907	JAL	Japan Airlines
1908	JALLC	Joint Analysis and Lessons Learned Centre (NATO)
1909	JAM	Jamaica (ISO 3166 trigram)
1910	JAMA	Journal of the American Medical Association
1911	JANET	Joint Academic Network
1912	JATO	Jet-Assisted Take-Off
1913	JB	Jail Bait
1914	JB	Junior Branch
1915	JBFSA	Joint Blue Force Situational Awareness
1916	JCDB	Joint Common Data Base
1917	JCDS	Joint Chiefs of the Defence Staff
1918	JCIDS	Joint Capabilities Integration and Development System
1919	JCL	Job Control Language
1920	JCP	Java Community Process
1921	JCS	Joint Chiefs of Staff
1922	JCW	Juggalo Championship Wrestling
1923	JDBC	Java Data Base Connectivity
1924	JDEM	Joint Dark Energy Mission
1925	JDL	Jewish Defense League
1926	JE	Jersey (FIPS 10-4 territory code)
1927	JEFX	Joint Expeditionary Force eXperiment
1928	JET	Joint European Torus
1929	JEZ	Joint Engagement Zone
1930	JFACC	Joint Force Air Component Commander
1931	JFACTSU	U.S. Joint Forward Air Control Training and Standards Unit
1932	JFC	Joint Force Commander
1933	JFK	John Fitzgerald Kennedy or the airport named after him.
1934	JFLCC	Joint Force Land Component Commander
1935	JFMCC	Joint Force Maritime Component Commander
1936	JFO	Journal of Field Ornithology
1937	JFSOCC	Joint Force Special Operations Component Commander
1938	JFTX	Joint Field Training Exercise
1939	JH	Japan Highway Public Corporation
1940	JH	Jharkhand (Indian state code)
1941	JI	Joint Implementation
1942	JIB	Joint Information Bureau
1943	JIC	Joint Intelligence Centre
1944	JINI	Java Intelligent Network Infrastructure
1945	JITC	Joint Interoperability Test Command
1946	JIVE	Joint Institute for VLBI (Very Long Baseline Interferometry) in Europe
1947	JJAP	Japanese Journal of Applied Physics
1948	JL	Japan Airlines (IATA airline designator)
1949	JLA	Justice League of America
1950	JM	Jamaica (FIPS 10-4 country code; ISO 3166 digram)
1951	JMS	Java Message Service
1952	JN	Jan Mayen Island (FIPS 10-4 territory code)
1953	JNI	Java Native Interface
1954	JNLP	Java Network Launch Protocol
1955	JO	Jordan (FIPS 10-4 country code; ISO 3166 digram)
1956	JOA	Joint Operations Area
1957	JOPES	Joint Operations Planning and Execution System
1958	JOR	Jordan (ISO 3166 trigram)
1959	JOTS	Joint Operations Tactical System
1960	JPL	Jet Propulsion Laboratory
1961	JPN	Japan (ISO 3166 trigram)
1962	JPOW	Joint Project Optic Windmill
1963	JRDF	Joint Rapid Deployment Forces
1964	JRE	Java Runtime Environment
1965	JREF	James Randi Educational Foundation
1966	JROC	Joint Requirements Oversight Council
1967	JROCM	JROC Memorandum
1968	JRRF	Joint Rapid Reaction Force
1969	JRSAI	Journal of the Royal Society of Antiquaries of Ireland
1970	JSAP	Japan Society of Applied Physics
1971	JSCSC	Joint Services Command and Staff College
1972	JSEAD	Joint Suppression of Enemy Air Defence (see SEAD)
1973	JSF	Joint Strike Fighter
1974	JSIMS	Joint Simulation System
1975	JSOA	Joint Special Operations Area
1976	JSOTF	Joint Special Operations Task Force
1977	JSP	JavaServer Page
1978	JSP	Joint Services Publication
1979	JSR	Java Specification Request
1980	JSS	Joint Support Ship Project
1981	JTC	Joint Training Confederation
1982	JTF	Joint Task Force
1983	JTFEX	Joint Task Force Exercise
1984	JTLS	Joint Theater Level Simulation
1985	JTMD	Joint Theatre Missile Defence
1986	JTN	Johnston Atoll (ISO 3166 trigram; obsolete 1986)
1987	JU	Juan de Nova Island (FIPS 10-4 territory code)
1988	JUGFET	JUnction Gate Field-Effect Transistor
1989	JUICE	JUpiter ICy Moon Explorer
1990	JUO	Joint Urban Operations
1991	JV	Joint Venture,Junior Varsity
1992	JW	Jehovah's Witnesses
1993	JWARS	Joint Warfare System (simulation)
1994	JWP	Joint Warfare Publication
1995	JY	Japanese Yen
1996	JZ	Joint Zone
1997	K	Kelvin,Potassium (Latin Kalium),Tanker (aircraft designation code)
1998	k	Kilo-
1999	K	picokelvin
2000	K9	Canine Police Unit
2001	Ka	Kamov Design Bureau
2002	kA	Kiloampere
2003	KA	Knowledge Acquisition,Karnataka (Indian state code)
2004	KAF	Kandahar Air Field
2005	KANUKOKA	Kalaallit Nunaanni Kommunit Kattuffiannit (Kalaallisut, Greenlandic Communities Association
2006	KARNAC	Knowledge Aided Retrieval in Activity Context
2007	KARR	Knight Automated Roving Robot (Knight Rider character)
2008	KATUSA	Korean Augmentation To United States Army
2009	KAZ	Kazakhstan (ISO 3166 trigram)
2010	KBE	Knight Commander of the Order of the British Empire
2011	KBO	Kuiper Belt Object
2012	KBVB	Koninklijke Belgische Voetbalbond (Dutch for Royal Belgian Football Association)
2013	kC	Kilocoulomb
2014	KCK	Kansas City,Kansas,Koma Civakên Kurdistan (Kurdish, Union of Communities in Kurdistan)
2015	KCL	King's College London
2016	KCMO	Kansas City,Missouri (pronounced: K-C-Moe)
2017	KCS	Kansas City Southern Railway (AAR reporting mark)
2018	KD	Kawasaki Disease,Kraft Dinner
2019	KE	Kenya (FIPS 10-4 country code; ISO 3166 digram),Kinetic Energy,Knowledge Engineering
2020	KEDO	Korean Peninsula Energy Development Organization
2021	KEN	Kenya (ISO 3166 trigram)
2022	KERA	Kentucky Education Reform Act (of 1990)
2023	kerma	Kinetic Energy Released in MAterial / in MAtter / per unit MAss
2024	KESR	Kent and East Sussex Railway.
2025	KET	Kentucky Educational Television,Key English Test
2026	kF	Kilofarad
2027	KFC	Kentucky Fried Chicken
2028	KFOR	UN Kosovo Force
2029	KFUPM	King Fahd University of Petroleum & Minerals
2030	KG	Kyrgyzstan (FIPS 10-4 country code; ISO 3166 digram)
2031	KGO	Knight of the Guelphic Order of Hanover
2032	KGZ	Kyrgyzstan (ISO 3166 trigram)
2033	KH	Cambodia (ISO 3166 digram)
2034	kH	Kilohenry
2035	KHL	Kontinental Hockey League
2036	KHM	Cambodia (ISO 3166 trigram)
2037	KHz	Kilohertz
2038	Ki	Kibi
2039	KI	Kiribati (ISO 3166 digram)
2040	KIA	Killed In Action
2041	KIDS	Knowledge-based Integrated Design System
2042	KIR	Kiribati (ISO 3166 trigram)
2043	KISS	Keep It Simple,Stupid / Keep It Short and Simple,Korean Intelligence Support System
2044	KIT	Keep In Touch
2045	KITECH	Korean Institute of Industrial Technology
2046	KITT	Knight Industries Two Thousand, Knight Industries Three Thousand
2047	kJ	Kilojoule
2048	kK	Kilokelvin
2049	KKK	Ku Klux Klan
2050	kL	Kilolitre
2051	KLENOT	KLEť Observatory Near Earth and Other unusual objects observations Team and Telescope
2052	KLOC	Kilo Lines Of Code
2053	KM	Comoros,Knowledge Management
2054	kN	Kilonewton
2055	KNA	Saint Kitts and Nevis (ISO 3166 trigram)
2056	KNVB	Koninklijke Nederlandse Voetbal Bond (Dutch for Royal Dutch Football Association)
2057	KO	Knocked Out
2058	KOR	Republic of Korea (ISO 3166 trigram)
2059	KP	Kim Possible
2060	KPMG	Klynveld,Peat,Marwick,Goerdeler
2061	KPNO	Kitt Peak National Observatory
2062	KQ	Kenya Airways (IATA airline designator), Kingman Reef (FIPS 10-4 territory code)
2063	KR	Kiribati (FIPS 10-4 country code), Republic of Korea (ISO 3166 digram)
2064	Kr	Krypton
2065	KS	Kansas (postal symbol), Republic of Korea (FIPS 10-4 country code)
2066	kS	Kilosiemens
2067	KSC	Kennedy Space Center
2068	KSI	Killed or Seriously Injured
2069	KSU	Kansas State University
2070	KT	Christmas Island (FIPS 10-4 territory code), Knight of the Order of the Thistle, Knights Templar
2071	kT	Kilotesla
2072	KTS	Knight of the Tower and Sword (of Portugal)
2073	KU	Kuwait (FIPS 10-4 country code)
2074	KUW	Kuwait (UNDP country code,IOC and FIFA trigram,but not ISO 3166)
2075	kV	Kilovolt
2076	KV	Kosovo
2077	kW	Kilowatt
2078	KW	Kuwait (ISO 3166 digram)
2079	KWB	Kids' WB!
2080	KWT	Kuwait (ISO 3166 trigram)
2081	KX	Cayman Airways (IATA airline designator)
2082	KY	Cayman Islands (ISO 3166 digram), Kentucky (postal symbol)
2083	KZ	Kazakhstan (FIPS 10-4 country code; ISO 3166 digram)
2084	KZN	KwaZulu-Natal
2085	La	Lanthanum
2086	LA	Laos (FIPS 10-4 country code; ISO 3166 digram), Louisiana (postal symbol), Los Angeles
2087	LAAS	Local Area Augmentation System, Los Angeles Astronomical Society
2088	LAB	Logistics Assault Base
2089	LabVIEW	Laboratory Virtual Instrumentation Engineering Workbench
2090	LACMA	Los Angeles County Museum of Art
2091	LAD	Laser Aiming Device
2092	LADW	Local Air Defence Warning
2093	LAESI	Local Authority & Emergency Service Information
2094	LAN	Local Area Network
2095	LANL	Los Alamos National Laboratory
2096	LAO	Laos (ISO 3166 trigram)
2097	LAR	Light Armoured Reconnaissance, Logistics Assistance Representative
2098	LARC	Livermore Advanced Research Computer (cf. LLNL)
2099	LARP	Live-Action Role-Playing
2100	Laser	Light Amplification by Stimulated Emission of Radiation (cf. Maser)
2101	LAT	Lowest Astronomical Tide (nautical charts),Licensed Athletic Trainer (used in many of the United States; see www.oata.org)
2102	LATA	Local Access Transport Area
2103	LATCH	Lower Anchors and Tethers for Children (U.S. standard for attachment points for child safety seats in passenger cars)
2104	LAV	Land Assault Vehicle, Light Armoured Vehicle, Lymphadenopathy-Associated Virus
2105	LAW	Light Antitank Weapon
2106	LAX	Los Angeles International Airport, The Latin American Xchange (professional wrestling)
2107	LB	Lebanon (ISO 3166 digram)
2108	LBH	Light Battlefield Helicopter, Lyman-Birge-Hopfield bands
2109	LBJ	Lady Bird Johnson,LeBron James,Light Bulb Joke,Little Beagle Johnson (the dog owned by Lyndon and Lady Bird Johnson),Lyndon Baines Johnson
2110	LBN	Lebanon (ISO 3166 trigram)
2111	LBNL	Lawrence Berkeley National Laboratory
2112	LBR	Liberia (ISO 3166 trigram)
2113	LBS	Location-Based Services
2114	LBT	Large Binocular Telescope
2115	LBW	Leg Before Wicket
2116	LBY	Libya (ISO 3166 trigram)
2117	LCA	Saint Lucia (ISO 3166 trigram)
2118	LCC	Land Component Commander
2119	LCCP	Light Contingency Communications Package
2120	LCD	Liquid Crystal Display
2121	LCM	Least/Lowest Common Multiple
2122	LCS	League of Legends Championship Series
2123	LDA	Lateral Drift Apparatus (paratroops)
2124	LDC	Lesser Developing/Developed Country
2125	LDL	Low-Density Lipoprotein
2126	LDV	Local Defence Volunteers (British Home Guard)
2127	LDW	Lane Departure Warning (ADAS)
2128	LE	Lebanon (FIPS 10-4 country code)
2129	LEC	Local Exchange Carrier
2130	LED	Light-Emitting Diode
2131	LEGAD	Legal Advice
2132	Legs	level emotion gad speed
2133	LEMOSS	Long-Endurance MObile Submarine Simulator
2134	LEN	Large Extension Node
2135	LEP	Large Electron-Positron collider
2136	LER	Loss-Exchange Ratio
2137	LEU	Low-Enriched Uranium
2138	LF	Low Frequency
2139	LFO	Low Frequency Oscillation / Oscillator
2140	LFTR	Liquid fluoride thorium reactor
2141	LG	Latvia (FIPS 10-4 country code)
2142	LGM	Little Green Men
2143	LGS	Landsat Ground Station
2144	LHC	Large Hadron Collider
2145	LHS	Left Hand Side
2146	Li	Lithium
2147	LIBOR	London Interbank Offered Rate
2148	LIBS	Laser Induced Breakdown Spectroscopy
2149	LIE	Liechtenstein (ISO 3166 trigram)
2150	LIGO	Laser Interferometer Gravitational-Wave Observatory
2151	LINEAR	Lincoln Near-Earth Asteroid Research
2152	LISA	Laser Interferometer Space Antenna
2153	LIVE	Liquid Inertial Vibration Eliminator
2154	LJJ	Lord Justices of Appeal
2155	LK	Sri Lanka (ISO 3166 digram)
2156	LKA	Sri Lanka (ISO 3166 trigram)
2157	LKR4	Linkwitz-Riley 4th order (audio crossover type)
2158	LLAD	Low Level Air Defence
2159	LLB	Legum Baccalaureus (Latin: Bachelor of Laws)
2160	LLC	Limited Liability Company
2161	LLLTV	Low-Light Level Television
2162	LLNL	Lawrence Livermore National Laboratory
2163	LLP	Limited Liability Partnership
2164	LLTR	Low-Level Transit Route
2165	LMAO	Laughing My Ass Off (Internet shorthand)
2166	LMB	Lick My Balls
2167	LMFAO	Laughing My F**king Ass Off (Internet shorthand,electro-hop duo)
2168	LMN	Lifetime Movie Network
2169	LMS	Like My Status (Internet shorthand)
2170	LMV	() Light Motor Vehicle
2171	LNER	London and North Eastern Railway
2172	LNG	Liquefied Natural Gas
2173	LNO	Liaison Officer
2174	LO	Slovakia (FIPS 10-4 country code)
2175	LOA	Limit Of Advance
2176	LOC	Level of Operational Capability,Limited Operational Capability,Lines Of Code,Lines Of Communication,see entry
2177	LoD	Lines of Development (UK)
2178	LOFAR	Low Frequency Analysis and Recording
2179	LOGPAC	Logistics Package
2180	LOL	Laughing Out Loud (Internet shorthand)
2181	LOMEZ	Low Altitude Missile Engagement Zone
2182	LONEOS	Lowell Observatory Near-Earth-Object Search
2183	LORTID	LOng Range Target IDentification
2184	LOS	Line Of Sight
2185	LOSAT	Line-Of-Sight Anti-Tank (missile)
2186	LOTA	Licentiate of the Orthodontic Technicians Association
2187	LOTIS	Livermore Optical Transient Imaging System
2188	LOTS	Logistics Over-The-Shore
2189	LPC	Linear Predictive Coding
2190	LPG	Liquefied Petroleum Gas (cf. LNG)
2191	LPI	Low Probability of Intercept
2192	LQ	Palmyra Atoll (FIPS 10-4 territory code)
2193	Lr	Lawrencium
2194	LR	Liberia (ISO 3166 digram)
2195	LRC	Logistics iness Center
2196	LRGW	Long-Range Guided Weapon
2197	LRICBM	Limited Range ICBM
2198	LRIP	Low Rate Initial Production
2199	LRP	Logistics Release Point
2200	LRPE	Long-Range Planning Element
2201	LRS	Long Range Surveillance
2202	LRU	Line-Replaceable Unit
2203	LSI	Large-Scale Integration
2204	LSIF	Labour Sponsored Investment Fund
2205	LSND	Liquid Scintillator Neutrino Detector
2206	LSO	Lesotho (ISO 3166 trigram)
2207	LSST	Large Synoptic Survey Telescope
2208	Lt	Lieutenant
2209	LtC	Lieutenant-Colonel (U.S.)
2210	LTC	Long-Term Costing
2211	Ltd	Limited
2212	LTDP	Long-Term Defence Plan
2213	LTI	Linear Time-Invariant
2214	LTM	Acronym for Laughing To Myself
2215	LTP	Long-Term Potentiation
2216	LTU	Lithuania (ISO 3166 trigram)
2217	LU	Acronym Love You
2218	LU	Loonatics Unleashed
2219	Lu	Lutetium
2220	LUCA	Last Universal Common Ancestor
2221	LUG	Linux User Group
2222	LULU	Locally Unwanted Land Use (urbanism)
2223	LUX	Luxembourg (ISO 3166 trigram)
2224	LVA	Latvia (ISO 3166 trigram)
2225	LVEF	Left Ventricular Ejection Fraction
2226	Lw	Lawrencium (obsolete 1963)
2227	LWR	Laser warning receiver
2228	LWRC	Land Warfare Resources Corporation
2229	LWS	Land Warrior System
2230	LX	Electrics (theatrical term)
2231	LYAO	Laugh Your Ass Off
2232	LYLAS	Love You Like A Sister
2233	Ma	Megaannum
2234	mA	Milliampere
2235	MAA	Mathematical Association of America
2236	MAAC	Metro Atlantic Athletic Conference
2237	MACE	Multi-Agent Computing Environment
2238	MACHO	MAssive Compact Halo Object
2239	MAF	Maintenance Action Form
2240	MAGIC	Major Atmospheric Gamma-ray Imaging Cherenkov (telescope)
2241	MAGNETAR	Metaprogrammable AGent NETwork ARchitecture
2242	MAGTF	Marine Air-Ground Task Force
2243	MALD	Miniature Air-Launched Decoy
2244	MANPADS	MAN-Portable Air Defence System
2245	MANPRINT	MANpower and PeRsonnel INTegration
2246	MAO	Molėtų astronomijos observatorija (Moletai Astronomical Observatory),MonoAmine Oxidase
2247	MAOI	Monoamine oxidase inhibitor
2248	MAPS	Monitoring Avian Productivity and Survivorship
2249	MAR	Morocco (ISO 3166 trigram)
2250	MarBEF	Marine Biodiversity and Ecosystem Functioning
2251	MARCENT	United States Marine Forces Central Command
2252	MARFORCC	Marine Force Component Commander
2253	MASAS	Monte Agliale Supernovae and Asteroid Survey
2254	Maser	Microwave Amplification by Stimulated Emission of Radiation
2255	MASH	Mobile Army Surgical Hospital
2256	MASINT	Measurement And Signature Intelligence
2257	MAVS	Mobile Artillery Vehicle System
2258	MBBL	(U.S. Armor Center) Mounted Battlespace Battle Laboratory
2259	MBCC	Migratory Bird Conservation Commission (U.S.)
2260	MBCS	Multi-Byte Character Set
2261	MBI	Moody Bible Institute
2262	MBIDST	Member of the British Institute of Dental and Surgical Technologists
2263	MBM	Meat and Bone Meal
2264	MBT	Main Battle Tank
2265	MBTI	Myers-Briggs Type Indicator
2266	mC	Millicoulomb
2267	MCDL	Model Composition Definition Language
2268	MCFT	Modified Compression Field Theory
2269	MCG	Melbourne Cricket Ground
2270	MCIS	Mellon Collie and the Infinite Sadness
2271	MCM	Mine Counter-Measures
2272	MCMV	Mine Counter-Measure Vessel
2273	MCR	My Chemical Romance
2274	MCSF	Marine Corps Security Forces
2275	MCT	Movement Control Team
2276	MCTIS	Mounted Co-operative Target Identification System
2277	Md	Mendelevium
2278	MDNA	Madonna's 12th studio album title (2012)
2279	MDO	Membership Driven Organisation
2280	MDP	Markov Decision Process
2281	MDT	Mountain Daylight Time (UTC-6 hours)
2282	MDV	Maldives (ISO 3166 trigram)
2283	Me	Messerschmitt
2284	MEAC	Mid-Eastern Athletic Conference (ME-ac)
2285	MECO	Main engine cutoff (NASA code for point in Space Shuttle assent when three main engines are shut down prior to External Tank (ET) separation)
2286	MEDEVAC	Medical evacuation
2287	MEDS	Mission Essential Data Set
2288	MEG	MagnetoEncephaloGraphy
2289	MELT	Metallic Line/Loop Test (ing)
2290	MEMS	Microelectromechanical System
2291	MER	Mars Exploration Rover
2292	MERL	Mitsubishi Electric Research Laboratories
2293	MES	Manufacturing Execution Systems
2294	METAR	[Meteorological] Aviation Routine weather report
2295	METOC	Meteorological and Oceanographic
2296	MeV	Megaelectronvolt
2297	MEX	Mexico (ISO 3166 trigram)
2298	MEZ	Missile Engagement Zone
2299	mF	Millifarad
2300	MGPAM	My Gym Partner's a Monkey
2301	MGS	Mobile Gun System
2302	mH	Millihenry
2303	MHC	Major Histocompatibility Complex
2304	MHHW	Mean Higher High Water (nautical charts)
2305	MHL	Marshall Islands (ISO 3166 trigram)
2306	MHLW	Mean Higher Low Water (nautical charts)
2307	MHRA	(UK) Medicines and Healthcare products Regulatory Agency
2308	MHW	Mean High Water (nautical charts)
2309	MHWN	Mean High Water Neaps (nautical charts)
2310	MHWS	Mean High Water Springs (nautical charts)
2311	MHz	Megahertz
2312	Mi	Mebi
2313	MIA	Missing In Action
2314	MICLIC	Mine Clearing Line Charge
2315	MICOM	Missile Command
2316	MID	Midway Islands (ISO 3166 trigram; obsolete 1986)
2317	MIDAS	Man-machine Integration Design and Analysis System
2318	MIDI	Musical Instrument Digital Interface
2319	MIDS	Multi-Function Information Distribution System
2320	MIFG	Shallow Fog (METAR Code)
2321	MIKE	Monitoring of Illegal Killing of Elephants
2322	MIL	Man-In-the-Loop
2323	MILC	Mirrorless interchangeable-lens camera
2324	MILF	Mother I'd Like to Fuck
2325	MIMOSA	MIcroMeasurements Of Satellite Acceleration
2326	MIMPT	Member of the Institute of Maxillofacial Prosthetists and Technologists
2327	MIRA	MILAN Infra-Red Acquisition (thermal sight)
2328	MIRV	Multiple Independent Reentry Vehicle
2329	MISREP	Mission Report
2330	MISSI	Multilevel Information System Security Initiative
2331	MITL	Man-In-The-Loop
2332	MITS	see entry
2333	mJ	Millijoule
2334	MJD	Modified Julian Day
2335	mK	Millikelvin
2336	MKG	Michael Kidd-Gilchrist (American basketball player)
2337	MKSA	Metre-Kilogram-Second-Ampere (system of units)
2338	mL	Millilitre
2339	MLB	Major League Baseball
2340	MLC	Member of the Legislative Council (in India)
2341	MLE	Maximum likelihood estimation
2342	MLHW	Mean Lower High Water (nautical charts)
2343	MLI	Mali (ISO 3166 trigram)
2344	MLL	Major League Lacrosse
2345	MLLW	Mean Lower Low Water (nautical charts)
2346	MLP	My Little Pony
2347	MLRS	Multiple-Launch Rocket System
2348	MLT	Malta (ISO 3166 trigram)
2349	MLW	Mean Low Water (nautical charts)
2350	MLWN	Mean Low Water Neaps (nautical charts)
2351	MLWS	Mean Low Water Springs (nautical charts)
2352	Mm	Megametre
2353	mm	Millimetre
2354	MMEV	Multi-Mission Effects Vehicle
2355	MMI	Magical MonkeyZ Inc.
2356	MMI	Man-Machine Interface
2357	MMI	McLean Meditation Institute
2358	MMIC	McLean Meditation Institute Certified
2359	MMO	Massively Multiplayer Online (computer game)
2360	MMOR	Master of Management in Operations Research
2361	MMORPG	Massively multiplayer online role-playing game
2362	MMPR	Mighty Morphin Power Rangers
2363	MMS	Multimission Modular Spacecraft
2364	Mn	Manganese
2365	mN	Millinewton
2366	MNB	Multinational Brigade
2367	MNE	Montenegro (ISO 3166 trigram)
2368	MNMF	Multi-National Maritime Force
2369	MNP	Northern Mariana Islands (ISO 3166 trigram)
2370	MNS	Mission Needs Statement
2371	Mo	Molybdenum
2372	MOA	Museum of Art (Brigham Young University)
2373	MOCAS	Mechanization Of Contract Administration Services
2374	MoD	Ministry of Defence (United Kingdom) and various other countries
2375	modem	Modulator-Demodulator
2376	Moe	Marvel of entertainment
2377	MOE	Measure Of Effectiveness
2378	MOF	Ministry of Finance (Japan)
2379	MOFA	Ministry of Foreign Affairs (Japan)
2380	MOID	Minimum Orbital Intersection Distance
2381	MOJWA	Movement for Oneness and Jihad in West Africa
2382	MOLO	Mobile Other Licensed Operator (UK)
2383	MOM	Master's Degree in Oriental medicine
2384	MOM	Message Oriented Middleware
2385	MoM	Multiple of the median
2386	MoMA	Museum of Modern Art (NYC)
2387	MOND	Modified Newtonian Dynamics
2388	MOO	Measure Of Outcome
2389	MOPP	Mission-Oriented Protective Posture
2390	MORP	Meteorite Observation and Recovery Project
2391	MOSFET	Metal-Oxide-Semiconductor Field-Effect Transistor
2392	MOT	Ministry of Transport (UK)
2393	MOTA	Member of the Orthodontic Technicians Association
2394	MOTESS	Moving Object and Transient Event Search System
2395	MOU	Memorandum Of Understanding
2396	MOW	Maintenance of way (also MW)
2397	MOZ	Mozambique (ISO 3166 trigram)
2398	MPa	Megapascal
2399	mPa	Millipascal
2400	MPAA	Motion Picture Association of America
2401	MPEC	Minor Planet Electronic Circular
2402	MPEG	Motion Pictures (Coding) Experts Group
2403	MPEV	Multi-Purpose Engineering Vehicle
2404	MPF	Maritime Prepositioning Force
2405	MPFC	Medial PreFrontal Cortex
2406	MPG	Miles Per Gallon
2407	MPMC	Medial PreMotor Cortex
2408	MPSI	Member of the Pharmaceutical Society of Ireland
2409	MPSoC	MultiProcessor System-on-Chip
2410	MPSRON	Maritime Propositioning Ship Squadron
2411	MR	Mauritania (FIPS 10-4 country code; ISO 3166 digram)
2412	MRAV	Multi-Role Armoured Vehicle
2413	MRBM	Medium Range Ballistic Missile
2414	MRC	Maintenance Requirements Card
2415	MRD	Motorized Rifle Division
2416	MRGW	Medium-Range Guided Weapon
2417	MRI	Magnetic Resonance Imaging
2418	MRL	Multiple Rocket Launcher
2419	MRPharmS	Member of the Royal Pharmaceutical Society (Great Britain)
2420	MRS	Magnetic Resonance Spectroscopy
2421	MRSA	Methicillin-resistant Staphylococcus aureus
2422	MRTFB	U.S. Major Range and Test Facility Base
2423	Ms	Megasecond
2424	mS	Millisiemens
2425	MSD	Minimum Safe Distance
2426	MSDB	Multi Source Data Base
2427	MSE	Multiple Subscriber Element
2428	MSG	Message
2429	MSLP	Mean Sea Level Pressure
2430	MSNBC	Microsoft National Broadcasting Company Cable news channel (see also msnbc.com)
2431	MSO	Multiple System Operator
2432	MSPB	Merit Systems Protection Board
2433	MSSA	Methicillin-susceptible Staphylococcus aureus
2434	Mt	Meitnerium
2435	mT	Millitesla
2436	MTBF	Mean time between failures
2437	MtF	Male-to-female transsexual
2438	MTG	Magic: The Gathering
2439	MTQ	Martinique (ISO 3166 trigram)
2440	MTT	Methylthiazol tetrazolium (assay)
2441	MTWS	MAGTF Tactical Warfare System
2442	MUS	Mauritius (ISO 3166 trigram)
2443	mV	Millivolt
2444	MVC	Missouri Valley Conference
2445	MVFC	Missouri Valley Football Conference
2446	MVNO	Mobile virtual network operator
2447	mW	Milliwatt
2448	MWESH	Machismo Wizards Extended SHelter (operating system)
2449	MWI	Malawi (ISO 3166 trigram)
2450	MWOA	Mount Wilson Observatory Association
2451	MWTB	Mounted Warfare Test Bed
2452	MY	Malaysia (FIPS 10-4 country code; ISO 3166 digram)
2453	MYOB	Mind Your Own Business
2454	MYS	Malaysia (ISO 3166 trigram)
2455	MYT	Mayotte (ISO 3166 trigram)
2456	n	Nano
2457	N3F	National Fantasy Fan Federation
2458	nA	Nanoampere
2459	Na	Sodium (Latin Natrium)
2460	NAA	N-Acetylaspartate
2461	NAAD	North American Air Defense
2462	NAAQS	National Ambient Air Quality Standards
2463	NAAWS	NATO Anti-Air Warfare System
2464	NAC	National Agency Check,U.S. Naval Avionics Center,U.S. Navy Advanced Concepts,North Atlantic Council,Northern Area Command
2465	NACC	North Atlantic Cooperation Council
2466	NACISA	NATO Communications and Information Systems Agency
2467	NACMA	NATO Air Command and Control System Management Agency
2468	NACRA	North America Caribbean Rugby Association (more specifically rugby union)
2469	NAEC	U.S. Naval Air Engineering Center
2470	NAFERA	Native American Free Exercise of Religion Act
2471	NAFLD	NonAlcoholic Fatty Liver Disease
2472	NAFO	Northwest Atlantic Fisheries Organization
2473	NAFTA	North American Free Trade Agreement
2474	NAGPRA	Native American Graves Protection and Repatriation Act
2475	NAICS	North American Industry Classification System
2476	NAIL	Neurotics Anonymous
2477	NAILS	National Airspace Integrated Logistics System
2478	NAIRU	Non Accelerating Inflation Rate of Unemployment
2479	NAK	Negative Acknowledge
2480	NAM	Namibia (ISO 3166 trigram)
2481	NAMBLA	North American Man-Boy Love Association
2482	NAMRL	Naval Aerospace Medical Research Laboratory
2483	NaN	Not A Number (computing)
2484	NAO	UK National Audit Office
2485	NAPS	Navy Acquisition Procedures Supplement
2486	NARA	(U.S.) National Archives and Records Administration
2487	NARAL	National Abortion Rights Action League
2488	NARDAC	Naval Regional Data Automation Center
2489	NARDIC	U.S. Navy Acquisition Research and Development Information Center
2490	NARPV	National Association for Remotely Piloted Vehicles
2491	NASCAR	National Association for Stock Car Auto Racing
2492	NASDAQ	National Association of Securities Dealers Automated Quotations
2493	NASED	National Association of State Election Directors [1][2]
2494	NASH	Non-Alcoholic Steatohepatitis
2495	NASP	National Aerospace Plane
2496	NASS	National Association of Secretaries of State [3]
2497	NatGeo	National Geographic
2498	NaUKMA	National University of Kyiv-Mohyla Academy
2499	NAV	Navigation[al]
2500	NAVCAMS	Naval Communications Area Master Station
2501	NAVCC	National Audio-Visual Conservation Center
2502	NAVCENT	Naval Forces U.S. Central Command
2503	NAVDAC	Naval Data Automation Command
2504	NAVEUR	Naval Forces U.S. European Command
2505	NAVFOR	Naval Force
2506	NAVMACS	Naval Modular Automatic Communication Subsystem
2507	NAVNET	Navy Network
2508	NAVS	Non-Cooperative Airborne Vector Scoring
2509	NAVSAT	Navigation Satellite
2510	NAVSPACECOM	U.S. Navy Space Command
2511	NAVSPASUR	U.S. Naval Space Surveillance System
2512	NAVSTAR	Navigation Satellite Timing And Ranging
2513	NAVTACNET	Navy Tactical Network
2514	NAWC	U.S. Naval Air Warfare Center
2515	Nb	Niobium
2516	NBA	National Basketball Association
2517	NBL	National Basketball League (Australia)
2518	NBT	Nitroblue tetrazolium (assay)
2519	nC	Nanocoulomb
2520	NCA	National Command Authority
2521	NCAR	U.S. National Center for Atmospheric Research
2522	NCB	National Codification Bureau
2523	NCCAM	U.S. National Center for Complementary and Alternative Medicine
2524	NCCUSL	National Conference of Commissioners on Uniform State Laws (U.S.)
2525	NCDDR	U.S. National Center for the Dissemination of Disability Research
2526	NCI	U.S. National Cancer Institute
2527	NCL	New Caledonia (ISO 3166 trigram)
2528	NCLR	National Council of La Raza
2529	NCMO	No Commitment Make Out
2530	NCO	Non-Commissioned Officer
2531	NCP	Net Contracted Purchases
2532	NCR	National Cash Register Co.
2533	NCTR	Non-Co-operative Target Recognition
2534	NCW	Network Centric Warfare
2535	Nd	Neodymium
2536	NDAA	U.S. National Defense Authorization Act
2537	NDBP	Non-Departmental Public Body (Scotland)
2538	NDP	New Democratic Party (Canada)
2539	NDS	Nintendo DS
2540	Ne	Neon
2541	NECTEC	National Electronics and Computer Technology Center (Thailand)
2542	NEMS	National Energy Modeling System (USDOE-EIA)
2543	NEPA	National Environmental Policy Act
2544	NER	Niger (ISO 3166 trigram)
2545	NERICA	New Rice for Africa
2546	NESP	NSA/CSS Enterprise Standards Program
2547	NET	National Educational Television
2548	NETCU	(UK) National Extremism Tactical Co-ordination Unit
2549	NETL	(US) National Energy Technology Laboratory
2550	NETWARS	Network Warfare Simulation
2551	NEX	Navy EXchange
2552	nF	Nanofarad
2553	NF	Norfolk Island (ISO 3166 digram)
2554	NFER	National Foundation for Educational Research
2555	NFG	No Fucking Good
2556	NFHS	National Federation of State High School Associations
2557	NFI	Not F****** Interested
2558	NFK	Norfolk Island (ISO 3166 trigram)
2559	Nfld	Newfoundland
2560	NFPA	National Fluid Power Association (United States)
2561	NFT	No Further Text
2562	NGATS	New Generation Army Targetry System
2563	NGH	Northern General Hospital
2564	NGO	non-governmental organization
2565	NGS	Naval Gunfire Support
2566	nH	Nanohenry
2567	NHANES	National Health and Nutrition Examination Survey
2568	NHB	New Hebrides (ISO 3166 trigram; obsolete 1980)
2569	NHB	No Holds Barred radio (Link)
2570	NHL	National Hockey League
2571	NHRA	National Hot Rod Association
2572	NHS	National Health Service (UK)
2573	Ni	Nickel
2574	NIAAA	U.S. National Institute on Alcohol Abuse and Alcoholism
2575	NIAG	NATO Industrial Advisory Group
2576	NIAID	National Institute of Allergies and Infectious Disease
2577	NIAMD	National Institute of Arthritis and Musculoskeletal Diseases
2578	NIB	New In Box (Internet auction/trading listings)
2579	NIBP	Non-invasive blood pressure monitor
2580	NicA	Nicotine Anonymous
2581	NICAP	National Investigations Committee on Aerial Phenomena
2582	NICE	UK. National Institute for Health and Clinical Excellence
2583	NICHD	National Institute of Child Health and Human Development [4]
2584	NICP	National Inventory Control Point
2585	NIDDK	National Institute of Diabetes and Digestive and Kidney Diseases
2586	NIDRR	National Institute on Disability Research and Rehabilitation
2587	NIEHS	National Institute of Environmental Health Sciences
2588	NIIN	National Item Identification Number
2589	NIMA	National Imagery and Mapping Agency (became NGA)
2590	NIMBY	Not In My Back Yard (See NOME)
2591	NIMG	Not In My Generation
2592	NIN	Nine Inch Nails (band)
2593	NIPR	National Institute of Polar Research (Japan)
2594	NIR	Northern Ireland (FIFA trigram; not eligible for an ISO 3166 or IOC trigram)
2595	NISAC	U.S. National Infrastructure Simulation and Analysis Center
2596	NISCAP	NSA Information System Certification and Accreditation Program
2597	NISER	National Institute of Science Education and Research
2598	NIST	National Institute of Standards and Technology
2599	NITFS	National Imagery Transmission Format Standard
2600	NIU	Niue (ISO 3166 trigram)
2601	nJ	Nanojoule
2602	NJ	New Jersey (postal symbol)
2603	NJHS	National Junior Honor Society
2604	NJPW	New Japan Pro Wrestling
2605	nK	Nanokelvin
2606	NKA	No Known Allergies
2607	nL	Nanolitre
2608	NLB	Non-Linear Battlefield
2609	NLD	Netherlands (ISO 3166 trigram)
2610	NLF	National Liberation Front (disambiguation)
2611	NLL	National Lacrosse League
2612	NLW	Non-Lethal Weapon
2613	nm	Nanometre
2614	NM	New Mexico (postal symbol)
2615	NMCI	Navy Marine Corps Intranet
2616	NMCS	Not Mission Capable Supply (SM&R code)
2617	NMD	U.S. National Missile Defense
2618	NMN	No middle name
2619	NMR	Nuclear Magnetic Resonance
2620	NMSG	NATO Modelling and Simulation Group
2621	nN	Nanonewton
2622	NNE	North North-East
2623	NNSA	U.S. National Nuclear Security Administration
2624	NNW	North North-West
2625	No	Nobelium
2626	NOAA	U.S. National Oceanic and Atmospheric Administration
2627	NOAF	Norwegian Air Force
2628	NOAO	National Optical Astronomy Observatory
2629	NOC	UK. National Oceanography Centre
2630	NODEF	NATO Oceanographic Data Exchange Format
2631	NOGI	New Orleans Grande Isle (award for diving)
2632	NOLF	Navy OutLying Field
2633	NOME	Not on Mars Either
2634	NOME	Not on Mars Either (see NIMBY)
2635	NOR	Norway (ISO 3166 trigram)
2636	NORELPREF	No religious preference
2637	NORTHAG	Northern Army Group
2638	NOSA	NATO OSI Security Architecture
2639	NOTAFLOF	No One Turned Away For Lack Of Funds
2640	NOW	National Organization for Women
2641	NP	Nepal (ISO 3166 and FIPS 10-4 country code digram)
2642	NPB	Nippon Professional Baseball
2643	NPCS	Non-Passenger Coaching stock (in Railways)
2644	NPD	Nationaldemokratische Partei Deutschlands (German)
2645	NPDI	New Product Development and Introduction
2646	NPG	Needline/Network Participation Group
2647	NPH	Normal Pressure Hydrocephalus
2648	NPO	nothing by mouth
2649	NPOV	Neutral Point Of View
2650	NQ	Dronning Maud Land (ISO 3166 digram; obsolete 1983)
2651	NR	Nauru (ISO 3166 and FIPS 10-4 country code digram)
2652	NRA	National Rifle Association
2653	NRAO	National Radio Astronomy Observatory
2654	NRDC	(U.S.) Natural Resources Defense Council
2655	NREL	U.S. National Renewable Energy Laboratory
2656	NRK	Norsk Rikskringkasting (Norwegian Broadcasting Corporation)
2657	NRMP	National Resident Matching Program (U.S. medicine)
2658	NRO	U.S. National Reconnaissance Office
2659	NRT	Near Real Time
2660	NRU	Nauru (ISO 3166 trigram)
2661	ns	Nanosecond
2662	nS	Nanosiemens
2663	NSABB	National Science Advisory Board for Biosecurity
2664	NSAID	Non-Steroidal Anti-Inflammatory Drug
2665	NSB	Norges Statsbaner (Norwegian State Railways)
2666	NSC	National Security Council
2667	NSDL	National Science Digital Library (US)
2668	NSG	National System for Geospatial-Intelligence
2669	NSN	National Stock Number
2670	NSNA	National Student Nurses' Association
2671	NSO	National Standardization Office (ABCA)
2672	NSS	(U.S.) Naval Simulation System
2673	NST	(UK) Nimrod Software Team
2674	NSTAC	National Security Telecommunications Advisory Committee
2675	NSW	New South Wales (postal symbol)
2676	nT	Nanotesla
2677	NTDS	Naval Tactical Data System
2678	NTP	Network Time Protocol
2679	NTR	Network Time Reference
2680	NTRA	National Thoroughbred Racing Association
2681	NTSB	National Transportation Safety Board
2682	NTV	Non-Tactical Vehicle
2683	NTY	(Internet Abbreviations:) Not Tested Yet; (Alternatively) No Thank You
2684	NTZ	Iraq-Saudi Arabia Neutral Zone (ISO 3166 trigram; obsolete 1993)
2685	NUTS	Nuclear Utilization Target Selection
2686	NUWC	U.S. Naval Undersea Warfare Center
2687	nV	Nanovolt
2688	NVEOL	Night Vision and Electro-Optics Laboratory
2689	NVG	Night Vision Goggles
2690	NVL	Night Vision Laboratory
2691	nW	Nanowatt
2692	NW	North-West
2693	NW	Nuclear Weapon
2694	NWA	National Wrestling Alliance
2695	NWF	National Wildlife Federation
2696	NWFZ	Nuclear-Weapon-Free Zone
2697	NWHN	U.S. National Women's Health Network
2698	nWo	New World Order (see article for explanation of idiosyncratic capitalization)
2699	NWOAHM	New Wave of American Heavy Metal
2700	NWOBHM	New Wave of British Heavy Metal (sometimes pronounced /n.ˈwɒbm/ as if it were an acronym)
2701	NWRA	National Wildlife Rehabilitators Association
2702	NWSL	National Women's Soccer League (U.S.)
2703	NWT	North-West Territories
2704	NXA	21st arcade game in the Pump It Up series
2705	NXD	Native XML
2706	NXE	New Xbox Experience
2707	NXG	New Cross Gate station
2708	NXL	National XBall League
2709	NXN	Nike Cross Nationals
2710	NY	New York (postal symbol)
2711	NYC	New York City
2712	NYHA	New York Heart Association
2713	NYO	National Youth Orchestra of Great Britain
2714	NYSE	New York Stock Exchange
2715	NZ	New Zealand (ISO 3166 and FIPS 10-4 country code digram)
2716	NZC	New Zealand Cricket
2717	NZL	New Zealand (ISO 3166 trigram)
2718	NzL	Noze looan (online/event listings)
2719	NZOSS	New Zealand Open Source Society
2720	NZRU	New Zealand Rugby Union
2721	OAC	On Approved Credit
2722	OAP	Old Age Pensioner (UK)
2723	OARSI	Osteoarthritis Research Society International
2724	OAS	Organization of American States
2725	OASIS	Ontario Agencies Supporting Individuals with Special Needs
2726	OASIS	Ontario Association of Sewage Industry Services
2727	OASP	Operational Analysis Support Paper/Plan
2728	OAU	Organization for African Unity
2729	OBE	Officer of the Order of the British Empire
2730	OBX	Outer Banks (North Carolina)
2731	OC	Officer Commanding
2732	OCD	Obsessive-Compulsive Disorder
2733	OCFS	Oracle Cluster File System
2734	OCFS2	Oracle Cluster File System Release 2
2735	OCMCC	[2] Orchard County MCC
2736	OCN	Oncology Certified Nurse
2737	OCO	Oort Cloud Object
2738	OCR	Optical Character Recognition
2739	OCS	see entry
2740	ODAS	OCA-DLR Asteroid Survey
2741	ODBC	Open DataBase Connectivity
2742	OEA	(U.S.) Office of Economic Adjustment
2743	OECD	Organisation for Economic Co-operation and Development (international)
2744	OED	Oxford English Dictionary
2745	OEG	Operation Exposure Guidance
2746	OEIS	On-Line Encyclopedia of Integer Sequences
2747	OEM	Original Equipment Manufacturer
2748	OFA	Occipital Face Area
2749	OFDA	U.S Agency for International Development's Office of Foreign Disaster Assistance
2750	OGC	Open Geospatial Consortium
2751	OGD	Other Government Department
2752	OGO	Other Government Organization
2753	OH	Ohio (postal symbol)
2754	OHC	OverHead-Cam engine
2755	OHHLA	Original Hip-Hop Lyrics Archive
2756	OHIP	Ontario Health Insurance Plan
2757	OHMS	On Her (or His) Majesty's Service (also written: O.H.M.S.)
2758	OHP	Observatoire de Haute-Provence
2759	OHSS	Ovarian Hyperstimulation Syndrome
2760	OIC	Officer In Charge
2761	OIF	Operation Iraqi Freedom
2762	OIOC	Oriental & India Office Collections (in the British Library)
2763	OJT	On-the-Job Training
2764	OKC	Oklahoma City
2765	OLED	Organic Light-Emitting Diode
2766	OLS	Operational Linescan System
2767	OMD	Orchestral Manoeuvres in the Dark (1980s pop group)
2768	OME	Osaka Mercantile Exchange
2769	OMFG	Oh My Fucking God
2770	OMG	Oh My God or Or My Gosh
2771	OMGW	Oh My Gosh it's Windy
2772	OMN	Oman (ISO 3166 trigram)
2773	OMNCS	U.S. Office of the Manager for the National Communications System
2774	OMP	Order of Mapungubwe in Platinum
2775	OMS	Order of Mapungubwe in Silver
2776	OMT	Object Model Template
2777	ON	Ontario (postal symbol)
2778	ONC	Orthopaedic Nurse Certified
2779	ONG	Orthodontic National Group
2780	ONI	(U.S.) Office of Naval Intelligence
2781	ONS	Operational Needs Statement
2782	OOAD	Object Oriented Analysis and Design
2783	OOBE	Out-of-body experience
2784	OOCL	Orient Overseas Container Line
2785	OODA	Observation,Orientation,Decision,Action loop (a.k.a. Boyd's Loop)
2786	OOF	Out of Facility
2787	OOMF	One Of My Followers
2788	OOO	Out Of the Office
2789	OOTW	Operations Other Than War
2790	OP	Observation Point/Post,Ocean Pacific (surfwear and swimwear brand),Original Poster (internet),Order Point,in inventory management; the inventory state at which more items should be ordered. Often expressed as a part of OP/OQ (when quantity OP is reached,order OQ new items),Overpowered,often used to refer to fictional characters (e.g. Superman) or game mechanics (e.g. the Black Lotus in Magic: the Gathering) that are considered disproportionately strong
2791	OPAC	Online Public Access Catalogue
2792	OPCON	Operational control
2793	OPCW	Organisation for the Prohibition of Chemical Weapons
2794	OPEC	Organization of the Petroleum Exporting Countries
2795	OPFOR	Opposing force
2796	OPINTEL	Operational Intelligence
2797	OPLAN	Operation plan (also OpPlan)
2798	OPORD	Operation order
2799	OPSEC	Operations security,Open Platform for Security
2800	OPSI	Overwhelming post splenectomy infection,UK Office of Public Sector Information
2801	OPTAR	Operational target
2802	OPV	Offshore Patrol Vessel
2803	OQ	Order Quantity,in inventory management; the quantity of new items to be ordered. Often expressed as a part of OP/OQ (when quantity OP is reached,order OQ new items)
2804	OR	Operating Room (surgery),Operational/Operations Research,Oregon (postal symbol),overreciprocation,when the leader of an inner circle friendship contacts a friend more than is wanted or reasonable
2805	ORAU	Oak Ridge Associated Universities
2806	ORB	Object Request Broker
2807	ORBAT	Order of Battle
2808	ORD	Office of Research and Development,Operational Requirements Document
2809	ORF	Operational iness Float
2810	ORISE	Oak Ridge Institute for Science and Education
2811	ORNL	Oak Ridge National Laboratory
2812	ORR	Oak Ridge Reservation (U.S. DOE),Office of Rail Regulation (UK government),Office of Refugee Resettlement,(CIA) Office of Research and Reports,Operational iness Rate,Operational iness Review
2813	ORSA	Oxacillin-resistant Staphylococcus aureus,Operations Research Society of America
2814	OS	Operating System
2815	Os	Osmium
2816	OSA	Order of St. Augustine
2817	OSCE	Organisation for Security and Cooperation in Europe
2818	OSD	U.S. Office of the Secretary of Defense,On-screen Display
2819	OSDL	Open Source Development Labs
2820	OSE	Own Separate Entrance
2821	OSERS	U.S. Department of Education Office of Special Education and Rehabilitative Services
2822	OSETI	Optical SETI also Optical SETI
2823	OSHA	Occupational Safety and Health Administration
2824	OSI	Office of Strategic Influence,Ontario Swine Improvement,Open Source Initiative,Open Systems Interconnection
2825	OSIA	(U.S.) On-Site Inspection Agency
2826	OSIRIS	Optical,Spectroscopic,and Infrared Remote Imaging System (astronomical system on the Rosetta spacecraft),Optical System for Imaging and low Resolution Integrated Spectroscopy (astronomical system on the land-based Gran Telescopio Canarias)
2827	OSL	Open Source License, Optically Stimulated Luminescence, Orbiting Solar Laboratory
2828	OSM	One Saturday Morning
2829	OSOTPBOIAS	One Sec,On The Phone,Be Off In A Sec
2830	OSPA	Operations Security Professional's Association site of OSPA
2831	OSPA	Oregon School Psychologists Association [3]
2832	OSRH	Oružane Snage Republike Hrvatske (en: Armed forces of the Republic of Croatia)
2833	OSU	Ohio State University,Oklahoma State University
2834	OTA	Office of Technology Assessment, Orthodontic Technicians Association
2835	OTAC	Orthodontic Technicians Association Conference,Orthodontic Technicians Association Council
2836	OTC	Over-The-Counter (drugs)
2837	OTD	Off the derech (referring to an Orthodox Jew who has stopped practicing the tenets of his or her faith)
2838	OTEA	(U.S. Army) Operational Test Evaluation Agency
2839	OTI	Office of Transition Initiatives (United States Agency for International Development)
2840	OTOH	On The Other Hand
2841	OTS	Off the scale,sexually untouchable except for a lot of money
2842	OTSBH	Over The Shoulder Boulder Holder
2843	OTW	On The Way
2844	OTYBL	Over To You Blue Leader
2845	OTYRL	Over To You Red Leader
2846	OU	University of Oklahoma
2847	OW	Old Wykehamist
2848	OWN	Oprah Winfrey Network
2849	OX	IATA code for Orient Thai Airlines
2850	OXC	Optical cross-connect
2851	OXM	Official Xbox Magazine
2852	OXT	Oxytocin
2853	OZ	(?) Australia
2854	p	pico
2855	P2P	Peer-to-peer (networking)
2856	pA	picoampere
2857	PAA	Position Area for Artillery
2858	PABX	Private Automated Branch eXchange (company phone system)
2859	PACOM	(U.S.) Pacific Command
2860	PADI	Professional Association of Diving Instructors
2861	PAEK	PolyArylEtherKetone
2862	PAFC	Plymouth Argyle Football Club
2863	PAH	Polycyclic aromatic hydrocarbon
2864	PAHO	Pan American Health Organization
2865	PAK	Pakistan (ISO 3166 trigram)
2866	PAM	Precision Attack Missile
2867	PANS	Pretty Advanced/Awesome Network Services (cf. POTS)
2868	PARC	Palo Alto Research Center
2869	PAROS	Prevention of an Arms Race in Outer Space (treaty)
2870	PARP	(NATO Partnership for Peace) Planning And Review Process
2871	PARWIG	Power Augmented Ram Wing In Ground (aeroplane wing shape)
2872	PAS	See entry
2873	PASR	Personnel Accounting and Strength Reporting
2874	PATH	Port Authority Trans-Hudson
2875	PAYD	Pay As You Drive
2876	PAYE	Pay As You Earn
2877	Pb	Lead (Latin Plumbum)
2878	PB	PolyButylene
2879	PBB	PolyBrominated Biphenyl
2880	PBCK	Problem Between Chair and Keyboard (computer help desk in-joke)
2881	PBD	PolyButaDiene
2882	PBDE	PolyBrominated Diphenyl Ether
2883	PBI	PolyBenzImidazole
2884	PBN	PolyButylene Naphthalate
2885	PBOH	Please Become Old History
2886	PBT	PolyButylene Terephthalate
2887	PBX	Private Branch eXchange (company phone system)
2888	pC	picocoulomb
2889	PCAS	Planet-Crossing Asteroid Survey
2890	PCB	see entry
2891	PCCB	Porsche Ceramic Composite Brake
2892	PCCIP	President's Commission on Critical Infrastructure Protection
2893	PCE	PerChlorEthylene
2894	PCIe	Peripheral Component Interconnect Express (computer bus)
2895	PCL	Passive Coherent Location
2896	PCMCIA	Personal Computer Memory Card International Association (People Can't Memorise Computer-Industry Acronyms)
2897	PCN	Pitcairn Islands (ISO 3166 trigram)
2898	PCPI	Physician Consortium for Performance Improvement (AMA)
2899	PCR	Polymerase chain reaction
2900	PCSSD	Pulaski County Special School District
2901	PCZ	Panama Canal Zone (ISO 3166 trigram; obsolete 1980)
2902	Pd	Palladium
2903	PD	Product Director—Example: CERDEC Product Director C4ISR and Network Modernization
2904	PDL	Pure Dumb Luck (Texan punk band)
2905	PDN	Pull-Down Network
2906	PDRY	People's Democratic Republic of Yemen (obsolete since 1990)
2907	PDT	Pacific Daylight [Saving] Time (UTC-7 hours)
2908	PE	Professional Engineer
2909	PEBCAC	Problem Exists Between Chair and Computer (IT help desk in-joke)
2910	PEBKAC	Problem Exists Between Keyboard and Chair (ditto)
2911	PEEK	PolyEtherEtherKetone
2912	PEET	Partnerships for Enhancing Expertise in Taxonomy
2913	PEK	PolyEtherKetone
2914	PEPFAR	President's Emergency Plan For AIDS Relief
2915	PER	Peru (ISO 3166 trigram)
2916	perl	usually lower case Practical Extraction and Report Language
2917	PES	PolyEtherSulfone
2918	PEST	UK Public Engagement with Science and Technology
2919	PETE	PolyEthyleneTErephthalate
2920	PETP	PolyEthyleneTerePhthalate
2921	pF	picofarad
2922	PFD	Permanent Fund Dividend = personal flotation device
2923	PFE	Permanent Forest Estate
2924	PfP	Partnership for Peace
2925	Pg	petagram
2926	pg	picogram
2927	PGCE	Postgraduate Certificate in Education
2928	PGD	Pre-implantation Genetic Diagnosis
2929	PGENI	Pharmaco-Genetics for Every Nation Initiative
2930	PGH	Pre-implantation Genetic Haplotyping
2931	PGM	Precision-Guided Munition
2932	PGP	Pretty Good Privacy
2933	PHL	Philippines (ISO 3166 trigram)
2934	PHQ	Patient Health Questionnaire
2935	Pi	Pebi
2936	PIB	PolyIsoButylene
2937	PIC	Person In Charge
2938	PICNIC	Problem In Chair Not In Computer
2939	PICS	Private Investment Capital Subscription
2940	PIF	Partners in Flight
2941	PIG	Pipeline Inspection Gauge
2942	PIN	Personal Identification Number
2943	PINF	People In Need Foundation (Czech charitable organisation)
2944	PIPA	Program on International Policy Attitudes
2945	PIR	Priority Intelligence Requirement
2946	PIRA	Provisional Irish Republican Army
2947	PIREPS	Pilot Reports
2948	PITA	Pain In The Ass
2949	PJ	petajoule
2950	pJ	picojoule
2951	PJHQ	Permanent Joint Headquarters
2952	PKE	Partnership of Kindermusik Educators [1] &[2] & [2]
2953	PKI	Public Key Infrastructure (cryptography)
2954	PKU	Phenylketonuria
2955	pL	picolitre
2956	PLAID	Precision Location and Identification
2957	PLB	Personal Locator Beacon
2958	PLC	Public Limited Company (British)
2959	PLCC	Plastic Leaded Chip Carrier (electronics)
2960	PLD	Probable Line of Deployment
2961	PLEBS	People Lacking Everyday Basic Skills
2962	PLF	Parachute Landing Fall
2963	PLIF	Planar Laser-Induced Fluorescence
2964	PLL	Phase-Locked Loop (electronics)
2965	PLM	Polarized Light Microscope/Microscopy
2966	PLMBA	Phospholipid Bilayer Microarray
2967	Pln	Platoon
2968	PLO	Palestine Liberation Organization
2969	PLOKTA	Press Lots Of Keys To Abort
2970	PLP	Platonic Life Partner
2971	PLUTO	Pipe Line Under The Ocean
2972	PLW	Palau (ISO 3166 trigram)
2973	pm	picometre
2974	PMC	Primary Motor Cortex
2975	PMI	Positive Material Identification
2976	PMID	PubMed Identifier
2977	PMMA	PolyMethylMethAcrylate
2978	PMS	Premenstrual Syndrome
2979	PMSL	Piss Myself Laughing (Internet shorthand)
2980	PMT	Premenstrual Tension (UK) (see Premenstrual Syndrome)
2981	pN	piconewton
2982	PNAC	Project for the New American Century
2983	PNVS	Pilot Night Vision Sensor
2984	Po	Polonium
2985	PO	Post Office
2986	PO	Purchase Order
2987	POCD	Post-Operative Cognitive Dysfunction
2988	pod	Plain Old Documentation
2989	POFF	Plain Old Flat File
2990	POGO	Project On Government Oversight
2991	POI	Program Of Instruction
2992	POK	Plane Of Knowledge
2993	POLAD	Political Advice
2994	POMDP	Partially observable Markov decision process
2995	PooS	Poo Sniffer (Internet shorthand)
2996	POS- Point Of Sale terminal (retail industry transaction computers)	Piece Of S**t
2997	POSH	Port Outbound Starboard Home (alleged)
2998	POSSLQ	Person of the Opposite Sex Sharing Living Quarters
2999	POT	Plane Of Tranquility
3000	POTS	Plain Old Telephone Service (cf. PANS),Postural Orthostatic Tachycardia Syndrome
3001	POTUS	President of the United States
3002	POV	Point of view
3003	POW	Prisoner of war
3004	PPASC	(U.S.) Plans and Program Analysis Support Center
3005	PPCLI	Princess Patricia's Canadian Light Infantry (regiment)
3006	PPLI	Precise Participant Location & Identification
3007	PPM	Project Planning and Management
3008	PPO	PolyPhenylene Oxide
3009	PPQN	Pulses Per Quarter Note (ditto)
3010	PPQT	Pre-Production Qualification Test
3011	PPV	Pay-per-view
3012	Pr	Pastor, Priest
3013	PR	Public Relations
3014	Prb	Presbyter
3015	PRBO	Point Reyes Bird Observatory
3016	PRC	People's Republic of China
3017	PRD	CERDEC Product Realization Directorate
3018	PRFG	Partial Fog (METAR Code)
3019	PRI	Puerto Rico (ISO 3166 trigram)
3020	PRK	Democratic People's Republic of Korea (ISO 3166 trigram)
3021	PRM	Personnel iness Management
3022	PRY	Paraguay (ISO 3166 trigram)
3023	Ps	petasecond
3024	pS	picosiemens
3025	PSG	Pacific Seabird Group
3026	PSI	Portable Source Initiative
3027	PSI	Pounds per square inch
3028	PSS	Personnel System Support
3029	PST	Pacific Standard Time (UTC-8 hours)
3030	PSU	Pennsylvania State University
3031	PsyOp	Psychological Operations
3032	pT	picotesla
3033	Pt	Platinum
3034	PTA	Parent-Teacher Association
3035	PTAL	Public Transport Accessibility Level
3036	PTES	People's Trust for Endangered Species
3037	PTFE	PolyTetraFluoroEthylene
3038	PTI	Pardon the Interruption
3039	PTSD	Post-Traumatic Stress Disorder
3040	Pu	Plutonium
3041	Pub	Publication
3042	PUG	PET Users Group
3043	PUN	Pull-Up Network
3044	PUP	Pull-Up Point
3045	PUS	United States Miscellaneous Pacific Islands (ISO 3166 trigram; obsolete 1986)
3046	PV	petavolt
3047	pV	picovolt
3048	PvE	Player versus Environment
3049	PvP	Player versus Player
3050	PVR	Personal Video Recorder
3051	PvZ	Plants vs. Zombies
3052	PW	Palau (postal symbol; ISO 3166 digram)
3053	pW	picowatt
3054	PWA	Pirates With Attitude
3055	PWBA	Pension and Welfare Benefits Administration
3056	PWC	PieceWise Constant (describing a mathematical function)
3057	PwC	PricewaterhouseCoopers (international accounting firm)
3058	PWL	PieceWise Linear (describing a mathematical function)
3059	PWLC	PieceWise Linear and Concave/Convex (describing a mathematical function)
3060	PWR	Pressurized Water Reactor
3061	PX	Post eXchange
3062	PYF	French Polynesia (ISO 3166 trigram)
3063	PYMWYMI	Put Your Money Where Your Mouth Is
3064	Q1	First Quarter
3065	Q2	Second Quarter
3066	Q3	Third Quarter
3067	Q4	Fourth Quarter
3068	QA	Qatar (FIPS 10-4 country code; ISO 3166 digram)
3069	Qantas	Queensland And Northern Territory Aerial Services
3070	QAT	Qatar (ISO 3166 trigram)
3071	QB	Quarterback (football)
3072	QCD	Quantum ChromoDynamics
3073	QDR	Quadrennial Defense Review
3074	QEH	Queen Elizabeth's Hospital
3075	QK	Air Canada Jazz (IATA airline designator)
3076	QNH	Regional mean sea level atmospheric pressure (aeronautical Q code)
3077	QPS	Quark Publishing System
3078	QSCAT	Quick Scatterometer satellite
3079	QSL	Québec Sign Language
3080	QSO	Quasi-Stellar Object
3081	Quango	(British Commonwealth) QUasi Autonomous Non-Governmental Organisation
3082	Quasar	Quasi-stellar radio source
3083	QUB	Queen's University Belfast
3084	QUIET	Q and U Imaging ExperimenT (Q and U are the Stokes parameters of the CMBR polarization)
3085	QZ	Awair (IATA airline designator)
3086	R2I	Resistance to Interrogation
3087	RA	Radio Australia
3088	Ra	Radium
3089	RAAF	Royal Australian Air Force
3090	Rabobank	Raiffeisen-Boerenleenbank (from the two banks that merged to form the modern company)
3091	RACK	Risk Aware Consensual Kink (SM phrase)
3092	Racon	RAdar beaCON
3093	RADA	Royal Academy of Dramatic Art
3094	Radar	Radio Detection And Ranging
3095	RadB	Rad51/Dmc1 homologous protein
3096	RADb	Routing Assets Data Base
3097	RADC	Region Air Defence Commander
3098	RAE	UK Royal Aircraft Establishment (-1991)
3099	RAGBRAI	Register's Annual Great Bicycle Ride Across Iowa
3100	RAM	Royal Air Maroc
3101	Ramark	RAdar MARKer
3102	RAOC	Rear Area Operation Centre
3103	RARDE	UK Royal Armament Research and Development Establishment (1962-1991)
3104	RARE	Rapid Acquisition with Relaxation Enhancement (MRI technique)
3105	RATELO	Radiotelephone Operator
3106	Rb	Rubidium
3107	RB	Running Back (football)
3108	RBI	Runs Batted In
3109	RC	see entry
3110	RCAF	Royal Canadian Air Force
3111	RCC	Rescue Co-ordination Centre
3112	RCCO	Royal Canadian College of Organists
3113	RCHA	Royal Canadian Horse Artillery (regiment)
3114	RCMP	Royal Canadian Mounted Police
3115	RD	Radio Disney
3116	RDD	Radiological Dispersion Device
3117	RDM	Remotely Delivered/Deliverable Mine
3118	RDT	Remote Digital Terminal
3119	RDV	Remote Detection Vehicle
3120	Re	Rhenium
3121	RE	Royal Engineers
3122	REACT	Remote Electronically Activated Control Technology
3123	REAM	Retired Educators Association of Minnesota
3124	RECCE	Reconnaissance
3125	REEF	Reef Environmental Education Foundation
3126	REM	Rapid Eye Movement (sleep phase),Rosicrucian Egyptian Museum
3127	REME	Royal Electrical and Mechanical Engineers
3128	RERC	Rehabilitation Engineering Research Center
3129	RESNA	Rehabilitation Engineering and Assistive Technology Society of North America
3130	REU	Réunion (ISO 3166 trigram)
3131	Rf	Rutherfordium
3132	RFD	Request for Documentation
3133	RFE	Request for Evaluation
3134	RFEF	Real Federación Española de Fútbol (Spanish for Royal Spanish Football Federation)
3135	RFF	Right of First Refusal (legal term)
3136	RFID	Radio Frequency IDentification
3137	RFL	Rugby Football League
3138	RFP	Request for Proposal
3139	RFQ	Request for Quotation
3140	RFT	Request for Tender
3141	RFU	Rugby Football Union
3142	RG	Republican Guard
3143	Rg	Roentgenium
3144	RGB	Red Green Blue (colour model)
3145	RGBI	Red Green Blue Intensity (ditto)
3146	Rh	Rhodium
3147	RH	Southern Rhodesia (ISO 3166 digram; obsolete 1980)
3148	RHIC	Relativistic Heavy Ion Collider
3149	RHLI	Royal Hamilton Light Infantry (Canadian militia regiment)
3150	RHO	Southern Rhodesia (ISO 3166 trigram; obsolete 1980)
3151	RHU	Replacement Holding Unit
3152	RI	Rhode Island (postal symbol)
3153	RIAA	Recording Industry Association of America
3154	RIBA	Royal Institute of British Architects
3155	RIFA	Red imported fire ant
3156	RILA	Retail Industry Leaders Association
3157	RIMVS	Retinal Imaging Machine Vision System
3158	RINO	Republican In Name Only[1]
3159	RISC	Reduced Instruction Set Computer
3160	RJD	Reduced Julian Day
3161	RKBA	Right to Keep and Bear Arms (Second Amendment to the United States Constitution)
3162	RKO	Radio-Keith-Orpheum Pictures
3163	RLP	Recognised [Operating/Operational] Land Picture
3164	RLS	Restless Leg Syndrome
3165	RLY	Rally Point
3166	RM	see separate disambiguation page
3167	RMC	Robert Menzies College
3168	RMDA	Records Management and Declassification Agency
3169	RMP	Recognised [Operating/Operational] Maritime Picture
3170	RN	Radio Netherlands
3171	Rn	Radon
3172	RNA	RiboNucleic Acid
3173	RNAD	Royal Naval Armaments Depot (UK)
3174	RNPS	Radio Network Planning System
3175	RNZ	Radio New Zealand
3176	RNZI	Radio New Zealand International
3177	ROA	Rate Of Ascent
3178	ROE	Rules Of Engagement
3179	ROFLOL	Rolling On the Floor Laughing Out Loud
3180	ROH	Ring of Honor
3181	ROK	Republic of Korea
3182	ROP	Render Output Pipeline
3183	ROPE	Research Opportunity and Performance Evidence
3184	ROS	Reactive Oxygen Species
3185	ROU	Romania (ISO 3166 trigram)
3186	ROV	Remotely Operated Vehicle
3187	ROZ	Restricted Operations Zone
3188	RPA	Regional Plan Association
3189	RPD	Recognition-Primed Decision-making
3190	RPF	Rwandan Patriotic Front
3191	RPL	Reverse Polish Lisp
3192	rpm	revolutions per minute
3193	RPN	reverse Polish notation
3194	rps	revolutions per second
3195	RPV	Remotely Piloted Vehicle
3196	RQ	Puerto Rico (FIPS 10-4 territory code)
3197	RRB	Railroad Retirement Board
3198	RRN	Recurrence Rate Number
3199	RRP	Recurrent Respiratory Papillomatosis
3200	RRS	Racing Rules of Sailing
3201	RRSP	Registered Retirement Savings Plan (Canada; roughly equivalent to the IRA in the U.S.)
3202	RS	Russia (FIPS 10-4 country code)
3203	RSI	Repetitive Strain Injury
3204	RSJ	Rolled Steel Joist (construction)
3205	RSN	Real Soon Now (coined by author Jerry Pournelle)
3206	RSPB	(UK) Royal Society for the Protection of Birds
3207	RSPCA	Royal Society for the Prevention of Cruelty to Animals
3208	RSR	Required Supply Rate
3209	RSRE	UK Royal Signals and Radar Establishment (1976-1991)
3210	RSRI	Red Sands Research Institute
3211	RSS	Really Simple Syndication
3212	RTA	Road traffic accident (British)
3213	RTBF	Radio-Télévision belge de la Communauté française
3214	RTF	Rich Text Format
3215	RTFM	the Fucking/Fine Manual
3216	RTG	Radio-isotope Thermoelectric Generator also used for Rubber Tyred Gantry crane
3217	RTI	Run-Time Infrastructure (Simulation)
3218	RTL	see entry
3219	RTP	Real-time Transport Protocol
3220	RTS	see entry
3221	RTT	Round Trip Timing
3222	RU	Russia (ISO 3166 digram)
3223	Ru	Ruthenium
3224	RUC	Royal Ulster Constabulary
3225	RUS	Russia (ISO 3166 trigram)
3226	RUSI	Royal United Services Institute for Defence Studies
3227	RW	Rwanda (ISO 3166 and FIPS 10-4 country code digram)
3228	RWA	Rwanda (ISO 3166 trigram)
3229	RWH	Rain Water Harvesting
3230	RWR	Radar Warning Receiver
3231	RWS	Remote Weapon Station
3232	RX	Receive
3233	SBNO	Standing but not operating (in reference to amusement parks)
3234	SCOTUS	Supreme Court of the United States
3235	SCROTUS	So-called Ruler of the United States
3236	SDHC	Secure Digital High Capacity
3237	SDXC	Secure Digital eXtended Capacity
3238	SG	Senegal (FIPS 10-4 country code), Singapore (ISO 3166 digram), Snow Grains (METAR Code), Study Group
3239	SGOTUS	Second Gentleman of the United States
3240	SHO	Showtime (see also sho.com)
3241	SIRI	Service Interface for Real Time Information
3242	Siri	Speech Interpretation and Recognition Interface (Apple iOS software)
3243	SLOTUS	Second Lady of the United States (the vice president's wife)
3244	SoCon	Southern Conference (U.S. college sports)
3245	STB	Surface Transportation Board[2]
3246	SWAC	Southwestern Athletic Conference
3247	SWAN	System for Wearable Audio Navigation
3248	SWAT	Special Weapons And Tactics
3249	SWF	Single White Female
3250	Ta	Tantalum
3251	TAACOM	U.S. Theater Army Area Command
3252	TAADCOORD	Theatre Army Air Defence Co-ordinator
3253	TAAR	Trace Amine-Associated Receptor
3254	TAC	U.S. Tactical Air Command (1946-1992)
3255	TACAN	Tactical Air Navigation
3256	TACCO	Tactical Coordinator
3257	TACCSF	U.S. Theater Aerospace Command & Control Simulation Facility
3258	TACDAR	Tactical Detection And Reporting
3259	TACSOP	Tactical SOP (Standing Operating Procedure)
3260	TADIL	Tactical Digital Information Link
3261	TAI	Target[ed] Area of Interest
3262	TAJ	Tom and Jerry
3263	TAJT	Tom and Jerry Tales
3264	TALES	Technical Advice and Lexicon for Enabling Simulation
3265	TANJ	There Ain't No Justice (used as expletive in the Ringworld novels)
3266	TANP	Terrain-Aware Network Planner
3267	TANSTAAFL	There Ain't No Such Thing As A Free Lunch (coined by author Robert A. Heinlein in his The Moon Is a Harsh Mistress)
3268	TAPPS	Texas Association of Private and Parochial Schools
3269	TARDIS	Time And Relative Dimension In Space (from Doctor Who)
3270	TAS	Tasmania (postal symbol)
3271	TASER	Thomas A. Swift's Electric Rifle
3272	TASM	Tactical Air-to-Surface Missile
3273	TAT	Tourism Authority of Thailand
3274	TATP	TriAcetone TriPeroxide
3275	TATT	Tired All The Time (medical diagnosis in-joke)
3276	Tb	Terbium
3277	TB	Tuberculosis
3278	TBA	to be announced
3279	TBBPA	TetraBromoBisPhenol-A
3280	TBD	to be done, or: to be documented, or: to be determined, or: to be decided
3281	TBF	to be fair
3282	TBH	To Be Honest
3283	TBL	Turkish Basketball League
3284	TBS	Turner Broadcasting System
3285	TBT	Tributyltin
3286	Tc	Technetium
3287	TCAA	Top Counter-Assault Agents
3288	TCAS	Traffic Collision Avoidance System
3289	TCCCS	Tactical Command,Control and Communication System
3290	TCD	Chad (ISO 3166 trigram)
3291	TCHD	Truck Cargo Heavy Duty
3292	TCL	Tool Command Language
3293	TCM	Turner Classic Movies
3294	TCU	Texas Christian University
3295	TCW	Tasty Coma Wife
3296	TCWMS	Tele-Center Workforce Management System
3297	TDA	The Disney Afternoon
3298	TDL	Tactical Data Link
3299	TDM	Time-Division Multiplexing
3300	TDMA	Time Division Multiple Access
3301	TDP	Technology Demonstration Programme
3302	TDRS	Tracking Data and Relay Satellite
3303	Te	Tellurium
3304	TEAL	Tasman Empire Airways Limited
3305	Team	Together everyone achieves more
3306	TEAMS	The East African Marine System (fiber optic cable)
3307	TED	Technology Entertainment Design prize
3308	TENCAP	Tactical Exploitation of National Capabilities
3309	TERS	Tactical Event Reporting System
3310	TES	Tactical Event System
3311	TEST	Thesaurus of Engineering and Scientific Terms
3312	TEU	Twenty-foot equivalent unit (cargo capacity)
3313	TeVeS	Tensor Vector Scalar theory
3314	TFMPP	Trifluorophenylmethylpiperazine
3315	TFR	Total Fertility Rate
3316	TFT	Thin-Film Transistor
3317	Tg	Teragram
3318	TG	Togo (ISO 3166 digram)
3319	TGO	Togo (ISO 3166 trigram)
3320	Th	Thorium
3321	THA	Thailand (ISO 3166 trigram)
3322	THAAD	Terminal High Altitude Area Defence
3323	THEGENTRY	The High-End Group of Earth's New Technologies Research Yield
3324	THEL	Tactical High Energy Laser ACTD
3325	THG	Tetrahydrogestrinone
3326	TIA	Total Information Awareness initiative
3327	TIA	Transient Ischemic Attack
3328	TIALD	Thermal Imaging and Airborne Laser Designation
3329	TIBS	Tactical Information Broadcast System
3330	TIC	Troops In Contact
3331	TIGERS	Topologically Integrated Geographic Encoding and Referencing System
3332	TINC	There Is No Cabal
3333	TIP	Thermal Identification Panel
3334	tits	Toes in the Sand
3335	TJD	Truncated Julian Day
3336	TJK	Tajikistan (ISO 3166 trigram)
3337	TKL	Tokelau (ISO 3166 trigram)
3338	TKM	Turkmenistan (ISO 3166 trigram)
3339	Tl	Thallium
3340	TLA	Three-Letter Abbreviation/Acronym
3341	TLAM	Tomahawk Land Attack Missile
3342	TLATOJL	The Life and Times of Juniper Lee
3343	TLPM	T1 Line Performance Monitor
3344	Tm	Terametre
3345	TMAP	Texas Medication Algorithm Project
3346	TMC	The Movie Channel
3347	TMD	Theatre Missile Defence
3348	TMDK	The Mighty Don't Kneel (Australian professional wrestling stable also active in Japan)
3349	TMI	Too Much Information
3350	TMJ	TemporoMandibular Joint (syndrome)
3351	TMNT	Teenage Mutant Ninja Turtles
3352	TMPG	Transparent Multi-Platform Gateway
3353	TMR	Twin Main Rotors (helicopter type)
3354	TMS	Transcranial Magnetic Stimulation
3355	TMT	Thirty Meter Telescope
3356	TMTOWTDI	There's Than One Way To Do It (from Perl)
3357	TNA	Total Nonstop Action Wrestling
3358	TNO	Trans-Neptunian Object
3359	TOBS	Time of OBServation
3360	TOC	Table Of Contents, Tactical Operations Centre, Temporo-Occipital transition Cortex, Top of Concrete
3361	TOG	Togo (IOC and FIFA trigram,but not ISO 3166)
3362	TOGS	Thermal Observation Gunnery Sight
3363	TOMS	Total Ozone Mapping Spectrometer (satellite instrument)
3364	TON	Tonga (ISO 3166 trigram)
3365	TOS	Tape Operating System,Terms of service,The Original Series,used to distinguish the first Star Trek TV series from other parts of the media franchise,Tramiel Operating System
3366	TOT	Time On Target
3367	TOW	Tube-launched,Optically tracked,Wire-guided (anti-tank missile)
3368	TP	East Timor (ISO 3166 digram; obsolete 2002),São Tomé and Príncipe (FIPS 10-4 country code),Training Practice,Trident Ploughshares
3369	TPE	Chinese Taipei (IOC and FIFA trigram for the country also known as Taiwan)
3370	TPI	The point is
3371	TPO	Thrombopoietin
3372	TPS	The Pennington School
3373	TPTB	The Powers That Be (often used to refer to the people responsible for the content of TV series or movies)
3374	TQ	Top Qualifier (similar to Pole Position in car racing)
3375	TRA	Technology iness Assessment
3376	TRAC	(U.S. Army) TRADOC Analysis Center
3377	TRACON	Terminal Radar Approach Control
3378	TRADOC	(U.S. Army) Training and Doctrine Command
3379	TRANSCOM	U.S. Transportation Command
3380	TRAP	Tactical Receive equipment and related Applications
3381	TRASANA	TRADOC Systems Analysis Agency
3382	TRD	Towed Radar Decoy
3383	TRIGAT	Third Generation Antitank (missile)
3384	TRL	Technology readiness level
3385	Trp	Troop
3386	TRU	Transuranic
3387	TRUEX	Training in Urban Environment Exercise
3388	TRW	Thompson Ramo Wooldridge Inc.
3389	Ts	Terasecond
3390	TS	Terasiemens,Thunderstorm (METAR code),Tunisia (FIPS 10-4 country code),TinySex,Transsexual, Tough Sh*t
3391	TSA	Theatre Storage Area,Time Slot Allocation,Transportation Security Administration,The Salvation Army
3392	TSEC	Transmission Security Encryption Code
3393	TSL	Transportation Security Laboratory
3394	TSN	The Sporting News (historic name of the periodical now known as Sporting News),The Sports Network
3395	TSO	The Stationery Office (was HMSO until 1996),(U.S.) TRICARE Support Office,Trans-Siberian Orchestra (band)
3396	TSOP	Tactical Standing Operation Procedure,The Sound of Philadelphia (classic 1970s R&B instrumental)
3397	TSR	Terminate and Stay Resident
3398	TSSIA	The Subject Says It All
3399	TT	Teratesla,Terrestrial Time,Tourist Trophy (Motorcycle sport),Trinidad and Tobago (ISO 3166 digram)
3400	TTCT	Torrance Tests of Creative Thinking
3401	TTFN	Ta Ta For Now
3402	TTL	Tax,Title,License,Through-the-lens (photography),Time 'till live,Time to live,Transistor-transistor logic
3403	TTO	Trinidad and Tobago (ISO 3166 trigram)
3404	TTP	Tactics,Techniques,and Procedures,Thrombotic thrombocytopenic purpura,Trailer Transfer Point
3405	TTTEAF	Thomas the Tank Engine and Friends
3406	TTY	TeleTYpewriter (Printer)
3407	TTYL	To You Later (Internet slang)
3408	TTZ	Tetrazolium
3409	TU	Technische Universität (German for 'Technical University'),Thammasat University (Thailand),Turkey (FIPS 10-4 country code)
3410	TUC	Trades Union Congress
3411	TUG	TeX Users Group
3412	TUI	Text-based user interface (cf. CLI),among other uses
3413	TUN	Tunisia (ISO 3166 trigram)
3414	TUNS	Technical University of Nova Scotia
3415	TUR	Turkey (ISO 3166 trigram)
3416	TUSK	Tank Urban Survival Kit
3417	TUV	Tuvalu (ISO 3166 trigram)
3418	TV	Television,Teravolt,Transvestite,Tuvalu (ISO 3166 and FIPS 10-4 country code digram)
3419	Tv	Time value,a designation seen on some camera dials for shutter priority mode
3420	TVA	Tennessee Valley Authority
3421	TVG	Television Games (Network),Tick,Very Good,Often used by School Teachers when marking homework etc. (Tick VG)[1][2]
3422	TVR	TreVor (Wilkinson) Racing
3423	TVS	Tornado vortex signature
3424	TW	Republic of China (Taiwan) (ISO 3166 and FIPS 10-4 country code digram),Terawatt
3425	TWAIN	Technology Without An Interesting Name
3426	TWE	Trans World Entertainment
3427	TWI	The Welding Institute
3428	TWIP	Take What Insurance Pays,When a surgeon agrees to accept a lower payment than he ordinarily would for a procedure and not charge the patient the difference
3429	TWN	Republic of China (Taiwan) (ISO 3166 trigram)
3430	TWP	Technical Working Paper
3431	TWS	Thermal Weapon Sight,Track While Scan
3432	TX	Texas (postal symbol),Transmit,Turkmenistan (FIPS 10-4 country code)
3433	TXV	Thermostatic Expansion Valve
3434	TYT	Take Your Time,Internet chat abbreviation
3435	TZ	Tanzania (ISO 3166 and FIPS 10-4 country code digram)
3436	TZA	Tanzania (ISO 3166 trigram)
3437	TZC	Tetrazolium chloride
3438	U	Uranium
3439	UA	Ukraine (ISO 3166 digram) Unit of Action
3440	UAAP	University Athletic Association of the Philippines
3441	UAB	University of Alabama at Birmingham
3442	UAV	Unmanned Aerial Vehicle,Unprotected Anal and Vaginal sex,UB[edit]
3443	UBC	United Baptist Church,University of British Columbia
3444	UBIGEO	Ubicación Geografica (Spanish for Geographical Location)
3445	UBS	Unbundled Bitstream Services,United Bank of Switzerland,United Banque Suisse
3446	UCBSA	United Cricket Board of South Africa
3447	UCF	University of Central Florida
3448	UCLA	University of California at Los Angeles
3449	UCLES	University of Cambridge Local Examinations Syndicate
3450	UCR	University of California at Riverside
3451	UCR	University of Costa Rica
3452	UCS	Union of Concerned Scientists
3453	UCSB	University of California at Santa Barbara
3454	UCSD	University of California at San Diego
3455	UDAS	Uppsala-DLR Asteroid Survey
3456	UDDI	Universal Description,Discovery and Integration
3457	UDTS	Uppsala-DLR Trojan Survey
3458	UE	Unit of Employment
3459	UEFA	Union of European Football Associations
3460	UESAC	Uppsala-ESO Survey of Asteroids and Comets
3461	UFC	Ultimate Fighting Championship
3462	UFO	Unidentified Flying Object, or: United Farmers of Ontario
3463	UG	Uganda (ISO 3166 and FIPS 10-4 country code digram)
3464	UGA	Uganda (ISO 3166 trigram)
3465	UGV	Unmanned Ground Vehicle
3466	UHF	Ultra High Frequency
3467	UHMW	Ultra-High Molecular Weight
3468	UHRB	Ultra-High Resolution Building (simulation)
3469	UIC	University of Illinois at Chicago
3470	UID	User ID
3471	UIUC	University of Illinois at Urbana-Champaign
3472	UJTL	Universal Joint Task List
3473	UKIP	United Kingdom Independence Party
3474	UKR	Ukraine (ISO 3166 trigram)
3475	UL	Underwriters Laboratories
3476	ULF	Ultra Low Frequency
3477	UM	U.S. Minor Outlying Islands (postal symbol; ISO 3166 digram)
3478	UMCP	Unit Maintenance Collection Point
3479	UMES	University of Maryland Eastern Shore
3480	UMI	U.S. Minor Outlying Islands (ISO 3166 trigram)
3481	UMIST	University of Manchester Institute of Science and Technology
3482	UMTS	Universal Mobile Telecommunications System
3483	UN	United Nations
3484	UNABOM	University and airline bomber (FBI case name)
3485	UNAIDS	(i/a) Joint United Nations Programme on HIV/AIDS
3486	UNAMSIL	United Nations Mission in Sierra Leone
3487	UNCF	United Negro College Fund
3488	UNCLOS	United Nations Convention on the Law of the Sea
3489	UNCSGN	United Nations Conference on the Standardization of Geographical Names
3490	UNCTAD	United Nations Conference on Trade and Development
3491	UNDCP	United Nations Drug Control Programme
3492	UNDE	(i/a) Union of National Defence Employees (Canada)
3493	UNDP	United Nations Development Programme
3494	UNEP	United Nations Environment Programme
3495	UNFCCC	United Nations Framework Convention on Climate Change
3496	UNFICYP	United Nations Peacekeeping Force in Cyprus
3497	UNGEGN	United Nations Group of Experts on Geographical Names
3498	UNHCR	United Nations High Commission (er) for Refugees
3499	UNICEF	United Nations Children's Fund (originally the United Nations International Children's Emergency Fund)
3500	UNICRI	United Nations Interregional Crime and Justice Research Institute
3501	UNIDO	United Nations Industrial Development Organization
3502	UNIFEM	United Nations Development Fund for Women (from the French Fonds de développement des Nations unies pour la femme)
3503	UNMIK	United Nations Interim Administration Mission in Kosovo
3504	UNOSOM	United Nations Operations in Somalia
3505	UNPROFOR	United Nations Protection Force (in former Yugoslavia)
3506	UNRISD	United Nations Research Institute for Social Development
3507	UNSM	Union of Nova Scotian Municipalities
3508	UNTAC	United Nations Transitional Authority in Cambodia
3509	UNTAET	(i/a) United Nations Transitional Administration in East Timor
3510	UNU	United Nations University
3511	UPdM	Università Popolare della Multimedialità
3512	UPI	United Press International
3513	UPN	United Paramount Network
3514	UPU	Universal Postal Union
3515	URBSFA	Union royale belge des sociétés de football association (French for Royal Belgian Football Association)
3516	URD	User Requirements Document
3517	URY	Uruguay (ISO 3166 trigram)
3518	US	United States (also ISO 3166 and FIPS 10-4 country code digram)
3519	USAF	United States Air Force
3520	USAFSPC	U.S. Air Force Space Command
3521	USAID	United States Agency for International Development
3522	USAPATRIOT	Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism
3523	USAREUR	United States Army Europe
3524	USB	Universal Serial Bus
3525	USCG	United States Coast Guard
3526	USDA	United States Department of Agriculture
3527	USDI	United States Department of the Interior
3528	USDOE	United States Department of Energy
3529	USDRE	(U.S.) Under-Secretary of Defense for Research and Engineering (1978-1986)
3530	USEC	United States Enrichment Corporation
3531	USFL	United States Football League
3532	USFWS	United States Fish and Wildlife Service
3533	USGS	United States Geological Survey
3534	USIA	United States Information Agency
3535	USJFCOM	United States Joint Forces Command
3536	USMC	United States Marine Corps
3537	USMNT	United States men's national (soccer) team
3538	USN	United States Navy
3539	USNB	United States Naval Base
3540	USNG	United States National Grid
3541	USNH	United States Naval Hospital
3542	USNI	United States Naval Institute
3543	USNO	U.S. Naval Observatory
3544	USNOFS	United States Naval Observatory Flagstaff Station
3545	USNP	United States Newspaper Program
3546	USNR	United States Navy Reserve
3547	USNS	United States Naval Ship
3548	USNZ	University Sport New Zealand
3549	USPS	United States Postal Service
3550	USPTO	United States Patent and Trademark Office
3551	USS	United States ship (sometimes meaningless; see Star Trek)
3552	USSPACECOM	United States Space Command
3553	USSR	Union of Soviet Socialist Republics
3554	UST	Underground Storage Tank
3555	USTRANSCOM	United States Transportation Command
3556	USWNT	United States women's national (soccer) team
3557	UT	Universal Time
3558	UTEP	University of Texas at El Paso (pronounced you-tep)
3559	UTM	Universal Transverse Mercator (geographical co-ordinate system)
3560	UUA	Unitarian Universalist Association
3561	UUID	Universally Unique Identifier (see also GUID)
3562	UUV	Unmanned Underwater Vehicle
3563	UW	University of Washington
3564	UWO	University of Western Ontario
3565	UWT	Under Water Telephone
3566	UWTG	Under Water Tug
3567	UWW	United World Wrestling
3568	UXO	Unexploded Ordnance
3569	UY	Uruguay (ISO 3166 and FIPS 10-4 country code digram)
3570	UZ	Uzbekistan (ISO 3166 and FIPS 10-4 country code digram)
3571	UZB	Uzbekistan (ISO 3166 trigram)
3572	VACIS	Vehicle And Container Inspection System
3573	VACIS	Victorian Ambulance Clinical Information System
3574	VANOS	Variable Nockenwelle System
3575	VAO	Vienna Art Orchestra
3576	VBA	Visual Basic for Applications
3577	vCJD	Variant Creutzfeldt-Jakob Disease
3578	VCNO	(U.S.) Vice Chief of Naval Operations
3579	VCofS	Vice Chief of Staff
3580	VCR	Video cassette recorder
3581	VCT	Saint Vincent and the Grenadines (ISO 3166 trigram)
3582	VDFS	VisualSVN Distributed File System (VDFS)
3583	VE	Venezuela (FIPS 10-4 country code; ISO 3166 digram)
3584	VEEGA	Venus Earth Earth Gravity Assist manœuvre
3585	VEN	Venezuela (ISO 3166 trigram)
3586	VERITAS	Very Energetic Radiation Imaging Telescope Array System
3587	VfD	s for deletion (used in Wikipedia)
3588	VFM	Value For Money
3589	VFMO	Very Fast Moving Object (astronomy)
3590	VFT	Virtual Function Table
3591	VFW	Veterans of Foreign Wars
3592	VG	British Virgin Islands (ISO 3166 digram)
3593	VGB	British Virgin Islands (ISO 3166 trigram)
3594	VH1	Video Hits One
3595	VHF	Very High Frequency
3596	VIA	Versatile Interface Adapter
3597	VIDS	Visual Information Display System
3598	VII	7 (in Roman numerals)
3599	VIII	8 (in Roman numerals)
3600	VIN	(i/a) Vehicle Identification Number (ISO 3779)
3601	VIP	Very Important Person
3602	VISCII	VIetnamese Standard Code for Information Interchange
3603	VIT	Vellore Institute of Technology
3604	VIVO	Video In Video Out
3605	VJ	Video Jockey
3606	VLAD	Vertical Line Array DIFAR
3607	VLBA	Very Long Baseline Array
3608	VLF	Very Low Frequency
3609	VLIW	Very Long Instruction Word
3610	VLPFC	VentroLateral PreFrontal Cortex
3611	VLPMC	VentroLateral PreMotor Cortex
3612	VLSI	Very-large-scale integration
3613	VM	Vietnam (FIPS 10-4 country code)
3614	VMF	Marine Fighting Squadron of the United States Marine Corps
3615	VMF	Variable Message Format
3616	VMN	VentroMedial Nucleus (neurophysiology)
3617	VN	Vietnam (ISO 3166 digram)
3618	VNIR	Visible and Near InfraRed
3619	VNM	Vietnam (ISO 3166 trigram)
3620	VNS	see entry
3621	VOA	Voice of America
3622	VOIP	Voice Over Internet Protocol
3623	VOLT	Visual OpenType Layout Tool
3624	VON	Victorian Order of Nurses
3625	VOR	Voice of Russia
3626	VOX	Voice Operated oscillator
3627	VPOTUS	Vice President of the United States
3628	VPN	Virtual Private Network
3629	VR	Virtual Reality
3630	VRSG	Virtual Reality Scene Generator
3631	VSHORAD	Very Short Range Air Defence
3632	VSO	Voluntary Services Overseas
3633	VSR	Very Special Relativity
3634	VTC	Video Tele-Conference
3635	VTEC	Variable valve Timing and Electronic lift Control
3636	VTOL	Vertical Take-Off & Landing
3637	VUB	Vrije Universiteit Brussel (Belgian university)
3638	VUT	Vanuatu (ISO 3166 trigram)
3639	VVAF	Vietnam Veterans of America Foundation
3640	VW	Volkswagen
3641	VZ	Verizon Communications (NYSE code)
3642	W3C	World Wide Web Consortium
3643	WAAC	Women's Army Auxiliary Corps (Britain) (World War I UK)
3644	WAAF	Women's Auxiliary Air Force (World War II UK)
3645	WACC	Weighted Average Cost of Capital (accounting)
3646	WACS	What-A-Cartoon! Show
3647	WAD	Weapons Alert Designator
3648	WAGGGS	World Association of Girl Guides and Girl Scouts
3649	WAL	see entry
3650	WAN	Wide area network
3651	WAP	Wireless Application Protocol
3652	WAPIMA	What a pain in my ass
3653	WAR	With All Respect
3654	WAsP	Short form of WAAAAP (Wind Atlas Analysis and Application Program)
3655	WAYP	White And Yellow Pages
3656	Wb	Weber
3657	WBC	World Boxing Council
3658	WBE	Work Breakdown Element
3659	WBO	World Boxing Organization
3660	WCBO	World Chess Boxing Organisation
3661	WCBP	World Center for Birds of Prey
3662	WCL	World Confederation of Labour
3663	WCW	World Championship Wrestling
3664	WDIN	Wildlife Disease Information Node
3665	WDWR	Walt Disney World Resort
3666	WEBS	Weapon Effectiveness Battle Simulation
3667	WEC	World Extreme Cagefighting
3668	WEEE	Waste Electrical and Electronic Equipment
3669	WEF	World Economic Forum
3670	WEM	West Edmonton Mall
3671	WEU	Western European Union
3672	WEZ	Weapon Engagement Zone
3673	WF	Wallis and Futuna Islands (ISO 3166 digram)
3674	WFC	Women's Forage Corps (World War II UK)
3675	WFD	Weapon of Focused Destruction
3676	WFF	Wallops Flight Facility
3677	WFI	Water for Injection
3678	WFH	Working from home
3679	WFP	World Food Program
3680	WFZ	Weapons Free Zone
3681	WH	Wehrmacht Heer (German World War II army vehicle licence plate code)
3682	WHAM	Wisconsin Hydrogen-Alpha Mapping (telescope)
3683	WHI	Women's Health Initiative
3684	WHIP	Walks plus hits per inning pitched
3685	WHO	World Health Organisation
3686	WHS	(U.S.) Washington Headquarters Services
3687	WIIFM	What's in it for me?
3688	WIP	Work In Progress
3689	WIPO	World Intellectual Property Organization
3690	WIPP	[Nuclear] Waste Isolation Pilot Plant
3691	WIYN	Wisconsin Indiana Yale NOAO telescope consortium
3692	WKYP	Will Keep You Posted
3693	WL	Wehrmacht Luftwaffe (German World War II air force vehicle licence plate code)
3694	WLB	Women's Land Brigade (World War II Canada)
3695	WLF	Wallis and Futuna Islands (ISO 3166 trigram)
3696	WLOG	Without Loss Of Generality (see WOLOG)
3697	WM	Wehrmacht Marine (German World War II navy vehicle licence plate code)
3698	WMANUS	West Midlands Area National Union of Students
3699	WMD	World Movement for Democracy
3700	WMI	Wildlife Management Institute
3701	WMO	World Meteorological Organization
3702	WNA	World Nuclear Association
3703	WNF	Will Not Fix
3704	WNIT	Women's National Invitation Tournament
3705	WNW	West North-West
3706	WO	Warrant Officer
3707	WOF	Width of Fabric
3708	WOFT	Waste Of Fucking Time
3709	WOFTAM	Waste Of Fucking Time And Money
3710	WOI	Wheels Of Italy
3711	WOM	Write Only Memory
3712	WOS	Wilson Ornithological Society
3713	WOT	Waste Of Time
3714	WP	White Phosphorus (ammunition)
3715	WPB	War Production Board during World War II
3716	WPE	World Pork Expo
3717	WPK	Wider Peacekeeping
3718	WR	Wide Receiver (football)
3719	WRAC	Women's Royal Army Corps (World War II UK)
3720	WRAIR	Walter Reed Army Institute of Research
3721	WRBWWRM	We Best What We Most
3722	WRC	World Rally Championship
3723	WRC	World Religions Conference
3724	WRNG	Warning
3725	WRS	Worldwide Reference System
3726	WRT	NHS Workforce Review Team
3727	WRT	The Linksys routers whose model name start with 'WRT'
3728	WRT	Third party firmware for the Linksys WRT routers and compatible models from other vendors.
3729	WRT	Web Runtime (WRT) is a portable application framework developed by Nokia that allows the creation of widgets on the S60 Platform.
3730	WRT	Wireless Receiver/Transmitter ( computer networks/IT )
3731	WRT	Wireless Ronin Technologies (digital signage)
3732	WRT	World Rally Team
3733	WRT	Writer Response Theory
3734	WSC	Weapon System Catalogue
3735	WSDL	Web Services Description Language
3736	WSJ	(The) Wall Street Journal
3737	WSROC	Western Sydney Regional Organisation of Councils
3738	WSSM	Winchester Super Short Magnum (family of rifle cartridges)
3739	WSTC	Women Signallers Territorial Corps (World War II UK)
3740	WSW	West South-West
3741	WTC	World Trade Center
3742	WTF	What the fuck?; also What a Terrible Failure (android)
3743	WTFH	What The Fucking Hell
3744	WTH	What the Hell
3745	WTO	World Trade Organization
3746	WUBU2	What you been up to
3747	WV	West Virginia (postal symbol)
3748	WVA	World Veterinary Association
3749	WVIAC	West Virginia Intercollegiate Athletic Conference
3750	WVR	Women's Volunteer Reserve (World War II UK)
3751	WVSC	Women's Volunteer Service Corps (World War II Canada)
3752	WVU	West Virginia University
3753	WW	see entry
3754	WWE	World Wrestling Entertainment
3755	WWI	World War I
3756	WWII	World War II
3757	WWIII	World War III
3758	WWJD	What would Jesus do?
3759	WWS	Wheaton Warrenville South High School
3760	WWWF	World Wide Wrestling Federation
3761	WXO	Weather [Executive] Officer
3762	WY	Wyoming (postal symbol)
3763	WZ	Swaziland (FIPS 10-4 country code)
3764	XBML	eXtended Business Modelling Language
3765	XC	Ninety (in Roman numerals)
3766	XCBL	XML Common Business Library
3767	XD	Used in chatrooms or email for smiley face. X is the eyes; squinted D is the mouth; XD.
3768	Xe	Xenon
3769	XFA	XML Forms Architecture
3770	XFC	Xtreme Fighting Championships
3771	XFD	Fighter aircraft made by Douglas
3772	Xfe	X File Explorer
3773	XFF	X-Forwarded-For
3774	XFG	Exfoliation glaucoma
3775	XFR	Automobile made by Jaguar
3776	XFT	X FreeType interface library
3777	XG	Automobile made by Hyundai
3778	XGA	Extended Graphics Array
3779	XGP	Extreme Game Player
3780	XHTML	eXtensible Hypertext Markup Language
3781	XI	Eleven (in Roman numerals)
3782	XII	Twelve (in Roman numerals)
3783	XIII	Thirteen (in Roman numerals)
3784	XIV	Fourteen (in Roman numerals)
3785	XIX	Nineteen (in Roman numerals)
3786	XJS	Automobile made by Jaguar
3787	XKB	X keyboard extension
3788	XKE	Automobile made by Jaguar
3789	XKR	Automobile made by Jaguar
3790	XML	eXtensible Markup Language
3791	XMSF	eXtensible Modelling and Simulation Framework
3792	XNA	X-No-Archive,Xeno Nucleic Acid
3793	XNC	X Northern Captain
3794	XNU	X is Not Unix
3795	XP	eXperience Point (role-playing games)
3796	XQJ	XQuery API for Java™
3797	XRAY	X-Ray
3798	XRML	eXtensible Rights Markup Language
3799	XS	Xiaolin Showdown
3800	XSL	eXtensible Style Language
3801	XTMH	eXtreme Technology Multiprocessor Hyperlanguage
3802	XUL	XML User Interface Language
3803	XV	Fifteen (in Roman numerals)
3804	XVI	Sixteen (in Roman numerals)
3805	XVII	Seventeen (in Roman numerals)
3806	XVIII	Eighteen (in Roman numerals)
3807	XWF	Xcitement Wrestling Federation
3808	XX	Twenty (in Roman numerals)
3809	Xyl	Xylobium
3810	XZN	Triple square screw driver
3811	y	Yocto-
3812	Y2K	Year Two Thousand
3813	yA	Yoctoampere
3814	Ya	Yottayear
3815	YaBPr	Yet another Brother Pat rant
3816	YABSLAG	Yet another boy singing like a girl
3817	YAC	Youth-Adult Committee
3818	YAFLA	Yet Another Five Letter Abbreviation
3819	YAP	Young Aspiring Professional
3820	YB	Youcef Benzouada (Southern Algerian name)
3821	Yb	Ytterbium
3822	yC	Yoctocoulomb
3823	YC	Yottacoulomb
3824	YDS	Yosemite Decimal System (climbing)
3825	YE	Yemen (ISO 3166 digram)
3826	YEM	Yemen (ISO 3166 trigram)
3827	yF	Yoctofarad
3828	YF	Yottafarad
3829	yg	Yoctogram
3830	Yg	Yottagram
3831	YGCO	Yamaneko Group of Comet Observers
3832	Ygo	Yu-Gi-Oh!
3833	yH	Yoctohenry
3834	YH	Yottahenry
3835	YHBT	You Have Been Trolled
3836	YHII	You Have It Inside
3837	YHS	Ya Hoor sur!
3838	Yi	Yobi
3839	Yippie	Youth International Party + suffix
3840	yJ	Yoctojoule
3841	YJ	Yottajoule
3842	yK	Yoctokelvin
3843	YK	Yottakelvin
3844	YKYFCW	You know you're from Christchurch when (post-earthquake joke)
3845	yL	Yoctolitre
3846	YL	Yottalitre
3847	ym	Yoctometre
3848	Ym	Yottametre
3849	YMMD	You Make My Day
3850	yN	Yoctonewton
3851	YN	Yottanewton
3852	YOLO	You Only Live Once
3853	YPA	Yards per Pass Attempt (football statistic)
3854	YPIO	Your Problem Is Obvious
3855	YPO	Young Presidents' Organization
3856	ys	Yoctosecond
3857	yS	Yoctosiemens
3858	Ys	Yottasecond
3859	YS	Yottasiemens
3860	YSI	Young Scots for Independence
3861	yT	Yoctotesla
3862	YTD	Year-To-Date
3863	YTM	Yield to Maturity
3864	YTS	Youth Training Scheme
3865	YTT	Yoshi Topsy-Turvy
3866	Yuppie	Young Urban Professional + suffix
3867	yV	Yoctovolt
3868	YV	Yottavolt
3869	yW	Yoctowatt
3870	YW	Yottawatt
3871	YYH	YuYu Hakusho
3872	z	Zepto
3873	Z	Zetta
3874	zA	Zeptoampere
3875	ZAF	South Africa (ISO 3166 trigram)
3876	ZAMS	Zero age main sequence
3877	ZAS	Zylinder Abschaltung System
3878	ZBT	Zero-Balance Transfer (accounting)
3879	zC	Zeptocoulomb
3880	ZC	Zettacoulomb
3881	ZCM	(n) ZENworks Configuration Management
3882	ZCMK	Zone Control Master Key
3883	ZCU	Zimbabwe Cricket Union
3884	\a	Atto-