PowerShell/data/dicts/general.csv

1	TERM	MEANING
2	e.g.	'exempli gratia' in Latin, meaning: 'for example'
3	0D	obvious deed
4	1AM	Air Mechanic 1st Class
5	1D	One-Dimensional
6	2AM	Air Mechanic 2nd Class
7	2D	Two-dimensional
8	2LA	Two Letter Acronym
9	2Lt	2nd Lieutenant
10	3AM	Air Mechanic 3rd Class
11	3D	Three-Dimensional
12	3G	Third-generation mobile telephone system
13	3i	Investors In Industry (venture capitalists)
14	3M	Minnesota Mining and Manufacturing Company
15	4G	Fourth-generation mobile telephone system
16	4WD	Four-wheel drive
17	5D	Five-Dimensional
18	6D	Six-Dimensional
19	7D	Seven-Dimensional
20	8D	Eight-Dimensional
21	9D	Nine-Dimensional
22	A	Ampere
23	A/C	Air Conditioned/Conditioning
24	A10	Atlantic 10 Conference
25	A1C	Airman First Class
26	A4	European standard office paper size
27	aA	Attoampere
28	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)
29	AAAS	American Association for the Advancement of Science
30	AAAV	Advanced Amphibious Assault Vehicle
31	AADAC	Alberta Alcohol and Drug Abuse Commission
32	AADD	Adult attention deficit disorder
33	AADT	annual average daily traffic
34	AAFC	Army Air Corps Ferrying Command (USA, 1941-1942), All-America Football Conference (1946-1949)
35	AAFES	Army and Air Force Exchange Service
36	AAIS	advanced airborne interceptor simulator
37	AAM	air-to-air missile
38	AAMOF	as a matter of fact
39	AAN	American Academy of Nursing
40	AANEAS	Anglo-Australian Near-Earth Asteroid Survey
41	AAODL	Atmospheric Aerosols and Optics Data Library
42	AAPC	Accounting and Auditing Policy Committee
43	AARP	American Association of Retired Persons (now officially known only by the initials)
44	AASPEM	advanced air-to-air system performance evaluation model
45	AAT	Australian Antarctic Territory
46	AAV	Amphibious Assault Vehicle
47	AAWC	anti-air warfare commander
48	AB	Able Seaman (both the rank and the occupation),Alberta (postal symbol)
49	ABB	ASEA Brown Boveri (Swiss-Swedish multinational company)
50	ABBA	Agnetha,Benny,Björn,Anni-Frid (Swedish pop group)
51	ABC	the first three letters of the Latin script known as the alphabet
52	ABC	abstinence, be faithful, condoms
53	ABC	Active Body Control
54	ABC	airway, breathing, circulation
55	ABC	Alcoholic Beverage Commission
56	ABC	alien big cat
57	ABC	always be careful
58	ABC	American-born Chinese
59	ABC	anti-lock brake controller
60	ABC	atomic, biological, chemical
61	ABCS	Army Battle Command System (USA)
62	ABET	Accreditation Board for Engineering and Technology
63	ABFIST	Advanced Bradley Full Crew Interactive Skills Trainer
64	ABGI	Addington-Barker Group International
65	ABIN	Agência Brasileira de Inteligência (Brazilian Intelligence Agency)
66	ABL	American Basketball League
67	ABLE	AirBorne Law Enforcement (police air support unit)
68	ABMC	American Battle Monuments Commission
69	ABN	Australian Business Number (a number issued by the Australian government as registration of a business and used for taxation purposes)
70	ABPI	Association of the British Pharmaceutical Industry
71	ABRSM	Associated Board of the Royal Schools of Music
72	ABS	anti-lock braking system
73	ABSA	Amalgamated Banks of South Africa
74	ABSTRIPS	abstraction-based STRIPS
75	ABV	Alcohol by volume
76	ABW	Aruba (ISO 3166 trigram)
77	Ac	Actinium
78	AC	Adriamycin-Cyclophosphamide (chemotherapy),Air Conditioning,Aircraftman,Alternating Current,Altocumulus,ante Christum (Latin,'before Christ'; see BC),ante cibum (Latin,'before meals'),Associazione Calcio (Italian,'football (soccer) club')
79	aC	Attocoulomb
80	AC1	Aircraftman 1st Class
81	AC2	Aircraftman 2nd Class
82	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
83	ACAB	All cops are bastards
84	ACARS	Aircraft Communications Addressing and Reporting System
85	ACB	Asociación de Clubes de Baloncesto (Spanish for 'Association of Basketball Clubs')
86	ACCAC	Awdurdod Cymwysterau,Cwricwlwm ac Asesu Cymru (Qualifications,Curriculum and Assessment Authority for Wales)
87	ACCD	American Coalition of Citizens with Disabilities
88	ACCS	Air Communications and Control Squadron
89	ACDA	Arms Control & Disarmament Agency
90	ACDC	Alternating Current Direct Current,the name of an Australian rock music band,a term for a bisexual person,A/Cdre,Air Commodore
91	ACDT	Apple Certified Desktop Technician,Australian Central Daylight Time
92	ACES	Aerolíneas Centrales de Colombia (Spanish,'Central Colombian Airlines'),Auxiliary Campus Enterprises and Services of Alfred State College
93	ACF	Administration for Children and Families,American Car and Foundry,American Culinary Federation
94	ACHT	Average Call Hold Time
95	ACINT	Acoustic Intelligence
96	ACK	Acknowledge (telecommunications; cf. NAK)
97	ACL	Access Control List,Anterior cruciate ligament; the initialism can also refer to an injury to this ligament.,Atlantic Coast Line Railroad
98	ACLJ	American Center for Law and Justice
99	ACLOS	Automatic CLOS (missile control system)
100	ACLS	American Council of Learned Societies
101	ACLU	American Civil Liberties Union,American Communist Lawyers Union (pejorative slang for the above)
102	ACM	many,including Association for Computing Machinery; see entry
103	ACMC	Assistant Commandant of the Marine Corps (USA)
104	ACN	Airborne Communications Node,Australian Company Number (number issued by the Australian government as registration of a limited liability company)
105	ACNA	Anglican Church in North America
106	ACO	Airspace Control Order
107	ACOBA	Advisory Committee on Business Appointments
108	ACOG	American College of Obstetricians and Gynecologists
109	ACOM	Atlantic Command (USA)
110	ACORN	Association of Community Organizations for Reform Now
111	ACP	African,Caribbean and Pacific Group of States,Air Control Point
112	ACR	Advanced Concepts and Requirements
113	ACRI	African Crisis Initiative
114	ACRT	Advanced Concepts Research Tool simulator
115	ACS	Affiliated Computer Services (NYSE ACS),Alaska Communications Service,American Cancer Society,American Chemical Society,Association of Caribbean States,Australian Computer Society
116	ACSC	Army Command and Staff College (various nations)
117	ACST	American Cooperative School of Tunis
118	ACST	Australian Central Standard Time
119	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
120	ACTD	Advanced Concept Technology Demonstration
121	ACTF	Army Constructive Training Federation (USA),Australian Children's Television Foundation,ACT-R,ACT-Rational (cognitive model),ACT-R/PM,ACT-R/Perceptual-Motor (cognitive model)
122	ACTU	Australian Council of Trade Unions
123	ACU	American Conservative Union
124	ACUF	Advisory Committee on Undersea Features,American Conservative Union Foundation
125	AD	Anno Domini (Latin for 'In the year of our Lord')
126	ADA	Air Defence Artillery,American Dental Association,Assistant District Attorney,Americans with Disabilities Act (see also the similar but non-acronymic Ada programming language)
127	ADAC	Allgemeiner Deutscher Automobil-Club (German for 'General German Automobile Club')
128	ADAGE	Air Defense Air to Ground Engagement (simulation)
129	ADAP	AIDS Drug Assistance Program
130	ADAS	Asiago-DLR Asteroid Survey
131	ADAT	Alesis Digital Audio Tape (recording format)
132	ADATS	Agricultural Development and Training Society,Air Defence Anti-Tank System,Australian Defence Air Traffic System
133	ADB	Asian Development Bank
134	ADC	Aide De Camp,Air Defense Command (USA, 1946-1992),Apple Display Connector,Program Against Digital Counterfeiting of Currency
135	ADD	Analog Digital Digital (CD quality),Attention-Deficit Disorder,Administration on Developmental Disabilities
136	ADDIE	Analyze Design Develop Implement and Evaluate
137	ADDNS	Advanced Deployable Day/Night Simulation
138	ADGB	Air Defence of Great Britain
139	ADHD	Attention-Deficit Hyperactivity Disorder
140	ADHS	Attention-Deficit Hyperactivity Syndrome
141	ADI	Acceptable/Allowable Daily Intake
142	ADL	Anti-Defamation League
143	ADM	Administrative,,Admiral,and the U.S. Public Health Service Commissioned Corps,Archer Daniels Midland,Assistant Deputy Minister
144	ADOA	Air Defence Operations Area
145	ADP	Adenosine DiPhosphate,Army Doctrine Publication (UK,Canada,Australia),Automatic/Automated Data Processing
146	ADRG	Arc-second Raster Chart (ARC) Digitized Raster Graphics
147	ADS	Active Denial System, Astrophysics Data System, Attention Deficit Syndrome
148	ADSR	Attack,Decay,Sustain,Release (sound envelope specification)
149	ADT	Atlantic Daylight Time (UTC−3 hours)
150	ADTB	Army Doctrine and Training Bulletin
151	ADW	Air Defence Warning
152	AE	Armed Forces Africa/Canada/Europe/Middle East (postal symbol),United Arab Emirates (ISO 3166 digram),Artix Entertainment,American Eagle,A&E, Arts & Entertainment Network,the original name for the U.S. TV channel now known as A&E Network
153	AEDT	Australian Eastern Daylight Time
154	AEF	American Expeditionary Force
155	AEGIS	Airborne Early warning Ground environment Interface Segment (fake etymology)
156	AESR	Aeronautical Equipment Service Record
157	AEST	Australian Eastern Standard Time
158	aet	After extra time (Football)
159	AEW	Airborne Early Warning,Airborne Electronic Warfare
160	AF	Afghanistan (ISO 3166 digram),Air Force,As f*ck
161	aF	Attofarad
162	AFA	Air Force Academy (USA),Asociación del Fútbol Argentino (Spanish for 'Argentine Football Association')
163	AFAIC	As Far As I'm Concerned
164	AFAICT	As Far As I Can Tell
165	AFAIK	As Far As I Know
166	AFAIR	As Far As I Remember/Recall
167	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
168	AFATDS	Advanced Field Artillery Tactical Data System
169	AFCEA	Armed Forces Communications and Electronics Association
170	AFDB	African Development Bank
171	AFES	Automatic Fire Extinguishing System
172	AFG	Afghanistan (ISO 3166 trigram)
173	AFI	French Territory of the Afars and Issas (ISO 3166 trigram; obsolete since 1977),'Agencia Federal de Investigaciónes' (México)
174	AFIST	Abrams Full Crew Interactive Skills Trainer
175	AFJ	April Fool's Joke
176	AFK	Away From Keyboard (Internet chat abbreviation)
177	AFLAC	American Family Life Assurance Company of Columbus
178	AFO	Association of Field Ornithologists
179	AFOSR	Air Force Office of Scientific Research (USA)
180	AFP	Agence France-Presse (French,'French Press Agency'), Australian Federal Police
181	AFQT	Armed Forces Qualification Test
182	AFRC	Air Force Reserve Command
183	AFRL	Air Force Research Laboratory
184	AFROTC	Air Force Reserve Officer Training Corps
185	AFRRI	Armed Forces Radiobiology Research Institute (USA)
186	AFRTS	Armed Forces Radio and Television Service
187	AFSC	Air Force Staff College (USA, obsolete; replaced with JFSC), U.S. Air Force Systems Command
188	AFSCN	Air Force Satellite Control Network (USA)
189	AFSPC	Air Force Space Command (USA)
190	AFT	American Farmland Trust
191	AFV	armoured fighting vehicle
192	AG	air gunner,Aktiengesellschaft (German,'incorporated'),Antigua and Barbuda (ISO 3166 digram),Assemblies of God
193	ag	Attogram
194	Ag	Silver (Latin for 'argentum')
195	AGA	AB Gas-accumulator ('ah-gah',Swedish company),Advanced Graphics Architecture
196	AGARD	Advisory Group for Aerospace Research and Development
197	AGARDograph	Advanced Guidance for Alliance Research and Development publication
198	AGASA	Akeno Giant Air Shower Array (cosmic ray detector)
199	AGB	Internal Nintendo initialism (Advanced Game Boy) for Game Boy Advance
200	AGC	Adjutant General's Corps (British Army)
201	AGDC	Australian Game Developers' Conference
202	AGI	Auxiliary Group Intelligence
203	AGM	Annual General Meeting
204	AGN	Active Galactic Nucleus
205	AGO	Angola (ISO 3166 trigram)
206	AGP	Accelerated Graphics Port
207	AGRICOLA	Agriculture Online Access
208	AGS	Alaska Ground Station (LandSat)
209	AGTS	Advanced Gunnery Training System
210	AGU	American Geophysical Union
211	AGW	Autonomous Guided Weapon
212	Ah	Ampere-hour
213	AH	Attack Helicopter
214	aH	Attohenry
215	AHA	American Heart Association
216	AHCPR	Agency for Health Care Policy and Research (obsolete; replaced with AHRQ)
217	AHEC	Australian Health Ethics Committee
218	AHPCRC	Army High Performance Computing Research Center
219	AHQ	Air Headquarters
220	AHRQ	Agency for Healthcare Research and Quality
221	AHS	American Housing Survey
222	AI	Air Interdiction,Amnesty International,Artificial Insemination,Artificial Intelligence,Anguilla (ISO 3166 digram)
223	AIA	Aerospace Industries Association,American Institute of Architects,Anguilla (ISO 3166 trigram)
224	AIAA	American Institute of Aeronautics and Astronautics
225	AIC	African Independent Church,Animal Identification Coordinator
226	AICD	Australian Institute of Company Directors
227	AICMFP	And I Claim My Five Pounds
228	AID	Agency for International Development (USA)
229	AIDS	Acquired Immune Deficiency Syndrome
230	AIM	Australian Institute of Management
231	AIMP	Aurora Incremental Modernization Project
232	AIPAC	American Israel Public Affairs Committee
233	AIR	Aircraft Inventory Record
234	AIRFA	American Indian Religious Freedom Act
235	AIRS	Aerometric Information Retrieval System (obsolete; replaced with AFS)
236	AIS	Australian Institute of Sport,Automatic Identification System
237	AISB	(British Society for the Study of) Artificial Intelligence and the Simulation of Behaviour
238	aJ	Attojoule
239	Ajax	Asynchronous JavaScript And XML
240	AJD	Astronomical Julian day
241	AJP	Allied Joint Publication
242	AJPW	All Japan Pro Wrestling
243	AK	Alaska (postal symbol)
244	aK	Attokelvin
245	AKA	Above knee amputation (orthopaedic usage)
246	AKDT	Alaska Standard Daylight Saving Time (UTC−8 hours)
247	AKP	Adalet ve Kalkınma Partisi (Turkish,'Justice and Development Party')
248	AKST	Alaska Standard Time (UTC−9 hours)
249	AL	Alabama (postal symbol),Albania (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)
250	Al	Aluminium
251	aL	Attolitre
252	ALA	Åland Islands (ISO 3166 trigram)
253	ALAP	As Long/Late As Possible
254	ALARM	Air-Launched Anti-Radar Missile
255	ALB	Albania (ISO 3166 trigram)
256	ALD	Accounting Line Designator (nuclear weapon targeting)
257	ALERT	Advanced Linked Extended Reconnaissance and Targeting,Attack and Launch Early Reporting to Theatre
258	ALF	Africa Leadership Forum,Alien Life Form (cf. ALF (TV series)),Animal Liberation Front
259	ALG	Algeria (IOC and FIFA trigram,but not ISO 3166)
260	ALGOL	ALGOrithmic Language
261	ALPA	Air Line Pilots Association
262	ALS	Amyotrophic Lateral Sclerosis
263	ALSHS	Abraham Low Self-Help Systems
264	ALSP	Aggregate Level Simulation Protocol
265	ALTE	Association of Language Testers in Europe
266	Am	Americium
267	AM	Amplitude Modulation and Ante Meridiem; see entry,Armenia (ISO 3166 digram)
268	AM1	Airman 1st class
269	AMCB	Army/Marine Corps Board (USA)
270	AMFOM	Advanced Missile Fly Out Model
271	AMFR	Age-specific Marital Fertility Rate,Amplitude Modulation Following Response
272	AMFRS	Advanced Multi-Function Radio Frequency System,Automatic Multisensor Feature-based Recognition System
273	AML	Acute Myeloid Leukaemia
274	AMLCD	Active Matrix Liquid Crystal Display
275	AMLO	Andrés Manuel López Obrador (Mexican politician),Anti-Money Laundering Office (Thailand government agency)
276	AMO	Atlantic Multidecadal Oscillation
277	AMOLED	Active-matrix organic light-emitting diode
278	AMOS	Advanced MOrtar System,Air Force Maui Optical and Supercomputing observatory
279	AMP	Adenosine MonoPhosphate,Automated Mission Planner
280	AMRAAM	Advanced Medium-Range Air-to-Air Missile
281	AMRDEC	Aviation & Missile Research,Development & Engineering Center (USA)
282	AMS	Agriculture Marketing Service,American Mathematical Society
283	AMSAA	Army Materiel Systems Analysis Activity (USA)
284	AMSO	Army Model and Simulation Office (USA)
285	AMSU	Advanced Microwave Sounding Unit
286	AMTE	UK Admiralty Marine Technology Establishment (1977-1984)
287	AN	Netherlands Antilles (ISO 3166 digram)
288	aN	Attonewton
289	ANA	Administration for Native Americans,Afghan National Army,All Nippon Airways,Anti-Nuclear Anti-body,Australian National Airways,Australian Natives' Association
290	ANC	African National Congress
291	AND	Andorra (ISO 3166 trigram)
292	ANFO	Ammonium nitrate/fuel oil (explosive)
293	ANGLiCo	Air/Naval Gunfire Liaison Company
294	ANL	Argonne National Laboratory
295	ANM	Acoustic Noise Monitor
296	ANOVA	ANalysis Of VAriance
297	ANS	Applied and Natural Sciences
298	ANSI	American National Standards Institute
299	ANT	Netherlands Antilles (ISO 3166 trigram),Antigua and Barbuda (IOC trigram,but not ISO 3166 or FIFA)
300	ANTM	America's Next Top Model
301	ANTY	Acronyms,No Thank You
302	ANWR	Arctic National Wildlife Refuge /ˈænwɑr/
303	ANZ	Australia and New Zealand Banking Group
304	ANZAC	Australian and New Zealand Army Corps
305	AO	Angola (ISO 3166 digram),Approach Officer (submarine),Area of Operations
306	AOC	Air Operations Centre,Air Officer Commanding
307	AOD	Adrenalin O.D. (punk rock band)
308	AOI	Angle Of Incidence (Arab Organization for Industrialization)
309	AOL	America OnLine
310	AOR	Area of Responsibility
311	AOSTH	Adventures of Sonic the Hedgehog
312	AOTS	Attack of the Show!
313	AOU	American Ornithologists' Union
314	AP	Advanced Placement,Air Publication,Andhra Pradesh (Indian state code),Armed Forces Pacific (postal symbol),Associated Press,Auto Pilot
315	APAC	Asia Pacific
316	APB	All Points Bulletin (police jargon)
317	APC	Armoured Personnel Carrier, Armour Piercing Capped (ammunition)
318	APCNR	Armour-Piercing,Composite Non-Rigid (ammunition)
319	APCR	Armour-Piercing,Composite Rigid (ammunition)
320	APDS	Armour-Piercing,Discarding-Sabot (ammunition)
321	APEC	Asia Pacific Economic Cooperation
322	APEDS	AMSAA Performance Estimates Data System
323	APEX	Applied Physics Express
324	APFSDS	Armour-Piercing,Fin-Stabilised,Discarding Sabot (ammunition)
325	APHA	American Public Health Association
326	APHE	Armour-Piercing, High Explosive (ammunition)
327	APHIS	Animal and Plant Health Inspection Service
328	APL	Acute Promyeloid Leukaemia,Anti-Personnel Landmine,Applied Physics Laboratory (Johns Hopkins University)
329	APOD	Aerial Port (Airport) Of Debarkation
330	APOE	Aerial Port (Airport) Of Embarkation
331	APOLLO	Apache Point Observatory Lunar Laser-ranging Operation
332	APP	Allied Procedural Publication
333	APR	Annual Percentage Rate
334	AQIM	Al-Qaeda in the Islamic Maghreb
335	AR	Argentina (ISO 3166 digram),Arkansas (postal symbol),Armour,Arunachal Pradesh (Indian state code)
336	Ar	Argon
337	ARAG	Advanced Research and Assessment Group
338	ARB	Administrative Review Board
339	ARBA	Army Review Boards Agency
340	ARCA	Automobile Racing Club of America
341	ARCENT	United States Army Central Command
342	ARDA	Advanced Research and Development Activity (became DTO 2006)
343	ARE	UK Admiralty Research Establishment (-1991),United Arab Emirates (ISO 3166 trigram)
344	ARF	ASEAN Regional Forum
345	ARG	Argentina (ISO 3166 trigram)
346	ARH	Armed Reconnaissance Helicopter
347	ARI	Acute Respiratory Infection,U.S. Army Research Institute for the Behavioral and Social Sciences
348	ARL	UK Admiralty Research Laboratory (1921-1977),U.S. Army Research Laboratory,UIUC Aviation Research Laboratory
349	ARM	Anti-Radiation Missile,Adjustable-rate mortgage,Armenia (ISO 3166 trigram)
350	ARNet	Acquisition Reform Network
351	ARP	Applied Research Programme
352	ARPA	Advanced Research Projects Agency
353	ARRC	ACE Rapid Reaction Corps
354	ARRF	Allied Rapid Reaction Force
355	ARRL	American Radio Relay League
356	ARSC	Arctic Region Supercomputing Center
357	ARSPACE	Army Space Command (USA)
358	ART	Adaptive Resonance Theory, Anti-Retroviral Therapy
359	ARTCC	Air Route Traffic Control Center
360	ARWG	Army Research Working Group
361	AS	ActionScript
362	AS	American Samoa (postal symbol; ISO 3166 digram),Assam / Asom (Indian state code)
363	As	Arsenic
364	aS	Attosiemens
365	ASA	AcetylSalicylic Acid,American Standards Association,Army Security Agency,Atlantic Southeast Airlines
366	ASAP	As Soon As Possible
367	ASARS	Advanced Synthetic Aperture Radar System,Airborne Search and Rescue System
368	asbl	association sans but lucratif (French 'Non-profit organisation')
369	ASBO	Anti-Social Behaviour Order
370	ASCAP	American Society of Composers,Authors,and Publishers
371	ASCC	Army Service Component Commander,Automatic Sequence Controlled Calculator,Air Standardization Coordinating Committee
372	ASCII	American Standard Code for Information Interchange
373	ASD	Assistant Secretary of Defense (USA), autism spectrum disorder
374	ASDIC	Allied Submarine Detection Investigation Committee (Sonar)
375	ASEAN	Association of Southeast Asian Nations
376	ASFAR	Americans for a Society Free of Age Restrictions
377	ASG	Area Support Group
378	ASIC	Australian Securities and Investments Commission,Aviation Security Identification Card
379	ASICS	Anima sana in corpore sano (Latin for 'A sound mind in a sound body') (athletic shoe manufacturer)
380	ASIO	Australian Security Intelligence Organisation,Audio stream input output
381	ASIP	Advanced System Improvement Program,Army Stationing and Installation Plan,Application-specific instruction-set processor
382	ASL	Above Sea Level,American Sign Language (also known as Ameslan),'Age,Sex,Location?' (Internet slang)
383	ASM	Air-to-Surface Missile,American Samoa (ISO 3166 trigram),American Society for Metals,American Society for Microbiology
384	ASMB	American Society for Matrix Biology,Adult Swim Message Board
385	ASME	American Society of Mechanical Engineers,American Society of Magazine ors
386	ASMP	Air-Sol Moyenne Portée missile (French 'Medium-range air to surface'),Asymmetric multiprocessing
387	ASN	Associate of Science in Nursing
388	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
389	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
390	ASPI	Australian Strategic Policy Institute
391	ASR	Alkali-silica reaction,Anti Slip Regulation
392	ASRAAM	Advanced Short-Range Air-to-Air Missile
393	ASSC	Association for the Scientific Study of Consciousness
394	AST	Atlantic Standard Time (UTC−4 hours)
395	ASTIA	Armed Services Technical Information Agency
396	ASTM	American Society for Testing and Materials
397	ASTREA	Aerial Support To Regional Enforcement Agencies (sheriff's air support unit)
398	ASUW	AntiSUrface Warfare
399	ASVAB	Armed Services Vocational Aptitude Battery(taken by juniors in high school in the USA)
400	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)
401	ASW	AntiSubmarine Warfare
402	ASWORG	AntiSubmarine Warfare Operations Research Group (USA)
403	ASX	Advanced Stream Redirector,Australian Securities Exchange
404	AT	Anti-Tank,Austria (ISO 3166 digram),Advanced Technology (IBM Personal Computer/AT)
405	At	Astatine
406	aT	Attotesla
407	ATA	Advanced Technology Attachment (IBM Personal Computer),Afghan Transitional Authority,Allen Telescope Array,Antarctica (ISO 3166 trigram)
408	ATAC	Air Transportable Acoustic Communications
409	ATAPI	Advanced Technology Attachment Packet Interface
410	ATAT	Aiken Tactical Airsoft Team / Star Wars vehicle
411	ATB	Active Time Battle,British Antarctic Territory (ISO 3166 trigram; merged with AQ in 1979)
412	ATC	Air Training Corps, Air Transport Command (USA, 1942-1948), Athletic Trainer,Certified
413	ATESS	Aerospace and Telecommunications Engineering Support Squadron
414	ATF	French Southern Territories (ISO 3166 trigram),(U.S.) Bureau of Alcohol,Tobacco,Firearms and Explosives
415	ATG	Antigua and Barbuda (ISO 3166 and FIFA trigram)
416	ATGM	Anti-Tank Guided Missile
417	ATGW	Anti-Tank Guided Weapon
418	ATK	Attack
419	ATL	Atlanta,Georgia,the largest city and capital of Georgia
420	ATLAS	All-Terrain Lifter Army System,Assessment Tool for LAnd Systems
421	ATM	At The Moment
422	ATN	Dronning Maud Land (ISO 3166 trigram; merged with AQ in 1983)
423	ATO	Air Tasking Order,Australian Taxation Office
424	ATP	Adenosine TriPhosphate,Allied Tactical Publication,Ammunition Transfer Point
425	ATSD	Assistant Secretary of Defense (USA)
426	ATSDR	Agency for Toxic Substances and Disease Registry
427	ATV	All-Terrain Vehicle
428	ATWA	Air,Trees,Water,Animals
429	AU	African Union (was OAU before 2000),American University,Astronomical Unit,Australia (ISO 3166 digram)
430	Au	Gold (Latin 'Aurum')
431	AUC	Ab Urbe Condita / Anno Urbis Conditae (Latin for '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)
432	AUS	Australia (ISO 3166 trigram)
433	AUSCANNZUKUS	Australia,Canada,New Zealand,United Kingdom,United States (security designation)
434	Auslan	Australian Sign Language
435	AUT	Austria (ISO 3166 trigram)
436	AUTL	Army Universal Task List
437	AV	Audio-Visual,Aviation
438	Av	Aperture value (photographic mode)
439	aV	Attovolt
440	AVA	American Viticultural Area
441	AVB	Audio Video Bridging
442	AVDLR	Aviation Depot Level Repair
443	AVGP	Armoured Vehicle, General Purpose
444	AVIM	Aviation Intermediate Maintenance
445	AVLB	Armoured Vehicle Launched Body
446	AVM	Air Vice-Marshal, Arteriovenous malformation
447	AVO	Apprehended Violence Order
448	AVP	Arubaanse Volkspartij
449	AVP	Association of Volleyball Professionals
450	AVRE	Armoured Vehicle Royal Engineers
451	AVTB	Armoured Vehicle Test Bed,Aviation Test Bed
452	AVUM	Aviation Unit Maintenance
453	AVVO	Acute Vaginal Venereal Outbreak
454	AW	Aruba (ISO 3166 digram)
455	aW	Attowatt
456	AWA	American Wrestling Association
457	AWC	Air Warfare Centre
458	AWD	All Wheel Drive
459	AWE	Advanced Warfighting Experiment
460	AWP	Awaiting Parts (SM&R code)
461	AWSIM	Air Warfare SIMulation
462	AWST	Australian Western Standard Time
463	AWW	Above Water Warfare
464	AX	Åland Islands (ISO 3166 digram)
465	AXP	Ambulance eXchange Point
466	AYBABTU	All Your Base Are Belong To Us
467	AYU	As Yet Unknown
468	AZ	Arizona (postal symbol),Azerbaijan (ISO 3166 digram),Alkmaar Zaanstreek (Dutch football club)
469	AZE	Azerbaijan (ISO 3166 trigram)
470	AZUR	Actions en zone urbaine (French for: Urban Operations)
471	B2B	Business to Business
472	B2C	Business to Consumer
473	B2G	Business to Government
474	B2E	Business to Employee
475	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]
476	BB	Barbados (ISO 3166 digram),Boys' Brigade (Christian youth organization),Brigitte Bardot (actress),Bumblebee
477	BBB	Better Business Bureau,Blood-brain barrier
478	BBC	Breeding Bird Census,British Broadcasting Corporation,Bumper to Back of Cab (trucking measurement)
479	BBL	Be Back Later,Bird Banding Laboratory,British Basketball League
480	BBN	Bolt,Beranek and Newman
481	BBQ	Barbecue
482	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)
483	BBYO	B'nai B'rith Youth Organization
484	BC	Before Christ,Blind Copy (in emailers),Boston College,British Columbia (postal symbol)
485	BCA	Bachelor of Computer Application,Black Coaches & Administrators
486	BCC	Blind Carbon Copy
487	BCCI	Bank of Credit and Commerce International,Board of Control for Cricket in India,BCD , Binary-Coded Decimal
488	BEA	Banque extérieure d'Algérie,British European Airways (ancestor of British Airways),British Electricity Authority,bel
489	BEL	Belgium (ISO 3166 trigram)
490	BEN	Benin (ISO 3166 trigram)
491	BEO	Banquet Event Order
492	BERC	Business Environmental Resource Center
493	BER	Bit Error Rate
494	BH	Bahrain (ISO 3166 digram)
495	BHR	Bahrain (ISO 3166 trigram)
496	BNF	Backus-Naur Form (computing), British National Formulary
497	BNICE	Biological,Nuclear,Incendiary,Chemical,and Explosive Agents
498	BNP	British National Party,Banque Nationale de Paris,a predecessor to today's BNP Paribas
499	BNS	Bank of Nova Scotia
500	BNSF	Burlington Northern Santa Fe (also AAR reporting mark)
501	BO	Back Orifice,Biarritz Olympique (French rugby union club),Bolivia (ISO 3166 digram),Body odor
502	BOAC	British Overseas Airways Corporation (predecessor of British Airways)
503	BoAML	Bank of America Merrill Lynch
504	BOC	British Orthodontic Society, British Oxygen Company
505	BÖC	Blue Öyster Cult
506	BODMAS	Brackets,Orders,Division,Multiplication,Addition,Subtraction
507	BOFH	Bastard Operator From Hell
508	BOGA	Bend Over and Grab Ankles
509	BOGOF	Buy One,Get One Free
510	BOGs	Bunch of Guys
511	BOI	Balance Of Investment,Basis Of Issue
512	BOL	Bolivia (ISO 3166 trigram)
513	BOM	Base Object Model,Bill Of Materials,Block of the Month quilting term,Business opportunity meeting
514	BOPD	Barrel of Oil Per Day
515	BOS	Battlefield Operating System
516	BOT	Balance of Trade,Botswana (IOC and FIFA trigram,but not ISO 3166),Build Operate Transfer,Bank of Thailand,BP[edit]
517	BP	Battle Position,British Petroleum (today,BP does not officially stand for anything),Bp , Bishop,BPD , Bipolar Personality Disorder,BPM , Beats Per Minute,BPMo , Business Process Mobility
518	BPV	Battlefield Planning Visualization,Bovine papillomavirus
519	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)
520	BR	Brazil (ISO 3166 digram) ,Bihar (Indian state code),British Rail,Break Ranks (marching band term)
521	BRA	Brazil (ISO 3166 trigram)
522	BRAG	Bicycle Ride Across Georgia
523	BRASS	Breathe,Relax,Aim,Sight,Squeeze (acronym for using a rifle)
524	BRIC	Brazil, Russia, India, and China
525	BRICS	Brazil, Russia, India, China, and South Africa
526	BSA	Birmingham Small Arms (motorcycles company),Boy Scouts of America,Brigade Support Area
527	BSatCoP	Benjamin Sniddlegrass and the Cauldron of Penguins
528	BSE	Bovine Spongiform Encephalopathy (better known as mad cow disease)
529	BSN	Baloncesto Superior Nacional (Spanish,'National Superior Basketball'; top Puerto Rican league),Bank Simpanan Nasional (Malay,'National Savings Bank'; government-owned Malaysian bank)
530	BSNL	Bharat Sanchar Nigam Limited,Bachelor of Science in Nursing
531	BSoD	Blue Screen of Death (distinct from BSD)
532	BSP	Between-Show Promotion,Binary Space Partitioning,Board Support Package,British Standard Pipe (screw thread),Business-sponsored,Bone sialoprotein
533	BST	Binary search tree,Blended Sales Tax,Bovine somatotropin,British Summer Time
534	BSW	British Standard Whitworth (screw thread)
535	BSX	Bendigo Stock Exchange
536	BT	Baal teshuva (Hebrew,'master of repentance') ,used to describe a Jew who adopts Orthodox Judaism as an adult,Bathythermograph,Bhutan (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
537	Bt	Baronet,Bacillus thuringiensis
538	BTO	Built To Order
539	BTP	British Transport Police
540	BTR	Bronetransporter (БТР = Бронетранспортер '(Heavy) Armoured (Personnel) Transporter')
541	BTU	British Thermal Unit
542	BTW	By The Way
543	BU	Burma (ISO 3166 digram; obsolete since 1989)
544	BUAV	British Union for the Abolition of Vivisection
545	BUG-E	Battlefield Universal Gateway Equipment ('buggy')
546	BUNO	Bureau Number (aircraft serial number)
547	BUR	Burma (ISO 3166 trigram; obsolete since 1989)
548	BV	Background Vocals -,Battlefield Visualization ,,Bouvet Island (ISO 3166 digram)
549	BVD	Bradley,Voorhees & Day (underwear manufacturer)
550	BVR	Beyond Visual Range
551	BVT	Bouvet Island (ISO 3166 trigram)
552	B&W	Babcock & Wilcox, Black and White, Bowers & Wilkins
553	BW	Bring Wedges (ISO digram)
554	BW	Botswana (ISO 3166 digram)
555	BWA	Botswana (ISO 3166 trigram)
556	BWARS	Bees,Wasps & Ants Recording Society
557	BWC	Biological and Toxin Weapons Convention
558	BWR	Boiling-Water Reactor
559	BX	Base eXchange
560	BY	Belarus (ISO 3166 digram), Bavaria
561	BYOB	Bring Your Own Bottle (or beer, beverage, or booze) (multiple,but similar,meanings)
562	BYOC	Bring Your Own Computer (play on BYOB)
563	BYOF	Bring Your Own Flask
564	BYS	Byelorussian Soviet Socialist Republic (ISO 3166 trigram; obsolete since 1992)
565	BYU	Brigham Young University
566	BZ	Belize (ISO 3166 digram)
567	BZP	Benzylpiperazine
568	C	Carbon, Coulomb, One Hundred (in Roman numerals)
569	c	Centi
570	C2C	Consumer-To-Consumer electronic commerce, Cam-To-Cam internet chat
571	c2c	the British rail company formerly known as LTS Rail
572	Ca	Calcium
573	CA	California (postal symbol),Canada (ISO 3166 digram),Catalonia,Civil Affairs,Close Armour,Cocaine Anonymous,Computer Associates,Counter-Air,Cricket Australia
574	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
575	CAAT	Campaign Against Arms Trade,Center for Alternatives to Animal Testing
576	CAC	California Association of Criminalists,Chronic Asymptomatic [Disease] Carrier
577	CACM	Central American Common Market
578	CACM	Communications of the ACM
579	CADCAM	Computer-Aided Design/Computer-Aided Manufacturing
580	CADMID	Concept,Assessment,Demonstration,Manufacture,In service,Disposal (life cycle mnemonic)
581	CADPAT	CAnadian Disruptive PATtern
582	CAE	Canadian Aviation Electronics (originally),Certificate in Advanced English
583	CAEn	Close Action Engagement (constructive simulation)
584	CAF	Central African Republic (ISO 3166 trigram),Confederation of African Football (or French Confédération Africaine de Football)
585	CAFAD	Combined Arms For Air Defence
586	CAFDE	Canadian Association of Film Distributors and Exporters,Computer Aided Federation Development Environment
587	CAFE	Corporate Average Fuel Economy standard
588	CAI	Computer Assisted Instruction
589	CAIR	Council on American-Islamic Relations
590	CALABARZON	A region in the Philippines: CAvite,LAguna,BAtangas,Rizal,queZON
591	CALL	Center for Army Lessons Learned
592	CALM	Communications,Air-interface,Long and Medium range
593	CalPERS	California Public Employees' Retirement System
594	Caltrans	California Department of Transpotation
595	CAM	Chemical Agent Monitor,Complementary and alternative medicine,Computer-Aided Manufacturing,Crassulacean acid metabolism (type of photosynthesis)
596	CAMRA	CAMpaign for Real Ale
597	CAN	Canada (ISO 3166 trigram)
598	CANDU	CANada Deuterium Uranium (nuclear reactor design)
599	Canola	Canadian oil,low acid (referring to a specific cultivar of rapeseed bred to have a low erucic acid content)
600	CAPES	CAPability Evaluation System,Combined Arms Planning and Execution System
601	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)
602	CARMONETTE	Computerized Monte Carlo Simulation
603	CARP	Computed Air Release Point
604	CART	Championship Auto Racing Teams (now defunct)
605	CAS	Chemical Abstracts Service,Chief of the Air Staff,Close Air Support
606	CASA	Civil Aviation Safety Authority
607	CASE	Cellular ammunition storage equipment,Computer-Aided Software Engineering
608	CASS	Command Activated Sonobuoy System
609	CASTFOREM	Combined Arms and Support Task FORce Evaluation Model
610	CASTOR	Canadian Automatic Small Telescopes for Orbital Research
611	CAT	Community Acceptance Testing
612	CATK	Counterattack
613	CATS	Computer Active Technology Suspension
614	CATT	Combined Arms Tactical Trainer
615	CAV	Cavalry
616	CAVOK	Ceiling And Visibility OK ('Kav-okay')
617	CAW	Canadian Auto Workers (trade union)
618	CB	Citizens' Band radio
619	CBASSE	Commission on Behavioral And Social Sciences and Education ('sea bass')
620	CBC	Canadian Broadcasting Corporation,Christmas Bird Count,Cipher-Block Chaining,Cornering Brake Control
621	CBE	Commander of the Order of the British Empire,Cab Beside Engine (see truck)
622	CBF	Confederação Brasileira de Futebol (Portuguese,'Brazilian Football Confederation')
623	CBGB	Country,Blue Grass,and Blues (former New York City nightclub)
624	CBLA	Comparative bullet lead analysis
625	CBM	Canadian Baptist Ministries
626	CBM	Commodore Business Machines
627	CBML	Coalition Battle Management Language
628	CBN	CardsApp Brand Number
629	CBOL	Consortium for the Barcode of Life
630	CBOT	Chicago Board of Trade
631	CBP	Customs and Border Protection
632	CBR	Case-Based Reasoning
633	CBRN	Chemical,Biological,Radiological,or Nuclear (weapon or event)
634	CBRNE	Chemical,Biological,Radiological,Nuclear or [high-yield] Explosive (weapon or event)
635	CBS	Columbia Broadcasting System,Corps Battle Simulation
636	CBUS	Columbus,Ohio
637	CC	carbon copy
638	CCA	Counter Command Activity
639	CCC	Canterbury Clothing Company,Civilian Conservation Corps (U.S.,1930s and 1940s),Corpus Christi College,Oxford
640	CCCP	Central Committee of the Communist Party,Cyrillic for SSSR (Soyuz Sovetskikh Sotsialisticheskikh Respublik,Russian Союз Советских Социалистических Республик,Union of Soviet Socialist Republics)
641	CCD	Confraternity of Christian Doctrine (Catechism)
642	CCF	Cartoon Cartoon Fridays
643	CCG	Canadian Coast Guard,Collectible Card Game
644	CCGC	Canadian Coast Guard Cutter,Canadian Coast Guard College
645	CCGH	Canadian Coast Guard Hovercraft
646	CCGS	Canadian Coast Guard Ship,Christ Church Grammar School
647	CCH	Computer-Controlled Hostile
648	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)
649	CCII	Command and Control Information Infrastructure,Community Capital Investment Initiative
650	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
651	CCIT	Comité consultatif international télégraphique (French for International Telegraph Consultative Committee,merged with the CCIF in 1956 to form the CCITT)
652	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)
653	CCK	Cholecystokinin,Cocos (Keeling) Islands (ISO 3166 trigram)
654	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
655	CCOC	Canadian Children's Opera Chorus,Crosley Car Owners Club
656	CCOP	Coalition Common Operating/Operational Picture
657	CCP	Casualty Collection Point,Communications Checkpoint,Contingency Communications Package
658	CCPA	Consumer Credit Protection Act
659	CCR	Creedence Clearwater Revival
660	CCRAp	Canadian Conservative Reform Alliance party
661	CCRP	Command and Control Research Program
662	CCRTS	Command and Control Research and Technology Symposium
663	CCSCS	Consultative Committee for Space Data Systems
664	CCSCS	Coordinadora de Centrales Sindicales del Cono Sur
665	CCSIL	Command and Control Simulation Interface Language ('cecil')
666	CCSK	Cyclic Code Shift Keying
667	CCT	Current Commitments Team
668	Cd	Cadmium
669	cd	Candela
670	CD	Compact Disc
671	CD1	Cluster of Differentiation 1 (a small gene family)
672	CDA	UK Centre for Defence Analysis
673	CDD	Capabilities Development Document
674	CDE	Chemical Defence Equipment
675	CDIAC	Carbon Dioxide Information Analysis Center ('see-dee-ack')
676	CDipAF	Certified Diploma in Accounting and Finance
677	CDL	Commercial driver's license
678	CDM	Clean Development Mechanism (Kyoto protocol), Cold Dark Matter (astronomy)
679	CDMA	Code Division Multiple Access
680	CDMSII	Cryogenic Dark Matter Search II
681	Cdr	Commander
682	CDT	Central Daylight Time (UTC−5 hours)
683	Cdt	Commandant
684	Ce	Cerium
685	CE	Christian/Common Era
686	CEA	Campaign Effectiveness Analysis
687	CECOM	U.S. Army Communications and Electronics Command
688	CEDEX	Courrier d'entreprise à distribution exceptionnelle (French,'Company Mail with Exceptional Distribution'; 'exceptional' refers to the volume of mail)
689	CEGEP	Collège d'enseignement général et professionnel (French,'College of General and Vocational Education')
690	CEI	Competitive Enterprise Institute
691	CENTCOM	United States Central Command
692	CENTO	Central Treaty Organization (Baghdad Pact)
693	CENZUB	Centre d'entraînement aux actions en zone urbaine (French,'Urban Operations Training Centre')
694	CEO	Chief Executive Officer
695	CEP	Circular Error Probable
696	CEPT	Conférence européenne des administrations des postes et des télécommunications (French,'European Conference of Postal and Telecommunications Administrations')
697	CERCLA	U.S. Comprehensive Environmental Response,Compensation,and Liability Act (Superfund)
698	CERDEC	U.S. Communications-Electronics Research,Development and Engineering Center
699	CERGA	Centre de recherches en géodynamique et astrométrie (French,'Astrometry and Geodynamics Research Centre')
700	CERN	Centre européen pour la recherche nucléaire (French,'European Organization for Nuclear Research')
701	CERT	Computer Emergency Response Team
702	CESS	Centre for Earth Science Studies (India)
703	CEST	Central European Summer Time
704	CET	Central European Time
705	CEWC	Council for Education in World Citizenship
706	Cf	Californium
707	CF	Canadian Forces,Central African Republic (ISO 3166 digram)
708	CFA	Cat Fanciers' Association,Chartered Financial Analyst,Colour Filtering Array,County Fire Authority,Covering Force Area
709	CFAR	Christine's,Federal Acquisition Regulation
710	CFC	ChloroFluoroCarbon,Canadian Fish Company
711	CFES	Continuous Flow Electrophoresis System
712	CFFZ	Call For Fire Zone
713	CFG	Context-free grammar,Control flow graph
714	CFHT	Canada-France-Hawaii Telescope
715	CFI	Center for Inquiry (CSICOP)
716	CFL	Canadian Football League,Co-ordinated Fire Line
717	CFLCC	Coalition Forces Land Component Command
718	CFM	Certified Facilities Manager
719	CFO	Chief Financial Officer
720	CFP	Call for papers, College Football Playoff, Common Fisheries Policy (EU)
721	CFR	Code of Federal Regulations,Căile Ferate Române (Romanian,'Romanian Railways')
722	CFRP	Carbon fibre reinforced plastic
723	CFS	Chronic Fatigue Syndrome
724	CFSP	Common Foreign and Security Policy
725	CFU	Colony Forming Unit in Microbiology
726	CFV	Cavalry Fighting Vehicle
727	CFZ	Critical Friendly Zone
728	CG	Client Group,Computer Graphics,Controls Group,Republic of the Congo (ISO 3166 digram)
729	CGH	Comparative Genomic Hybridisation
730	CGIG	Cross-Government Implementation Group
731	CGO	Republic of the Congo (IOC and FIFA trigram,but not ISO 3166)
732	CGS	Chief of the General Staff
733	CGT	Capital Gains Tax
734	ch	ch(L) is used to denote the Chern character of a line bundle
735	CH	Chieftain tank,Switzerland (ISO 3166 digram; from Latin Confoederatio Helvetica)
736	CHAOS	Cambridge Heart Anti-Oxidant Study
737	CHAPS	Clearing House Automated Payment System
738	CHDK	Canon Hack Development Kit (Canon camera firmware hack)
739	CHE	Switzerland (ISO 3166 trigram; from Latin Confoederatio Helvetica)
740	CHI	Columbia Helicopters,Inc
741	CHiP	California Highway Patrol
742	CHIPS	Cosmic Hot Interstellar Plasma Spectrometer
743	CHL	Chile (ISO 3166 trigram)
744	CHLA	Core Historical Literature of Agriculture
745	CHN	China (ISO 3166 trigram)
746	CHOGM	Commonwealth Heads of Government Meeting
747	CHPSO	California Hospital Patient Safety Organization
748	CHRS	Canadian Heart Rhythm Society
749	CHT	Certified Hand Therapist
750	CI	Côte d'Ivoire (ISO 3166 digram),Counter-Intelligence,101 (in Roman numerals)
751	Ci	Curie
752	CIA	Cairo International Airport, Culinary Institute of America
753	CIAO	Critical Infrastructure Assurance Office,Component-Integrated ACE ORB
754	CIB	Complete In Box (Internet auction/trading listings)
755	CIBC	Canadian Imperial Bank of Commerce
756	CICS	Customer Information Control System (IBM mainframe software; 'kicks' or 'C-I-C-S')
757	CID	Certified Interior Designer
758	CIEF	Comité international d'enregistrement des fréquences (International Frequency Registration Board)
759	CIF	Cost,Insurance,and Freight (Paid) (shipping)
760	CIMMYT	Centro Internacional de Mejoramiento de Maíz Y Trigo (Spanish,'International Maize and Wheat Improvement Center')
761	CINC	Commander in Chief
762	CINEOS	Campo Imperatore Near-Earth Object Survey
763	CIO	Chief information officer,Congress of Industrial Organizations
764	CIPE	(European) Centre for International Political Economy
765	CIR	(Commander's) Critical Information Requirements
766	CIR	Corotating Interaction Region
767	CIS	Canadian Interuniversity Sport,Commonwealth of Independent States,Command and Information System,Communication and Information System
768	CISA	C4I Integration Support Activity (USA)
769	CISB	Complete In Sealed Box (Internet auction/trading listings)
770	CISPR	Comité international spécial des perturbations radioélectriques (Special International Committee on Radio Interference)
771	CISSP	Certified Information Systems Security Professional
772	CITES	Convention on International Trade in Endangered Species (of Wild Fauna and Flora) ('sigh-tease')
773	CIV	Côte d'Ivoire (ISO 3166 trigram)
774	CIVETS	Colombia,Indonesia,Vietnam,Egypt,Turkey,South Africa (economics)
775	CIVPOP	Civilian Population
776	CIWS	Close-In Weapon System
777	CJ	Criminal Justice
778	CJC	Canadian Jewish Congress,Cold Junction Compensation
779	CJCS	Chairman of the Joint Chiefs of Staff
780	CJD	Chronological Julian Day,Creutzfeldt-Jakob Disease
781	CJO	Chief of Joint Operations
782	CJTF	Combined Joint Task Force
783	CK	Cook Islands (ISO 3166 digram)
784	CKA	commonly known as, Canada Kicks Ass
785	CKND	Codename: Kids Next Door
786	CL	Chile (ISO 3166 digram),Co-ordination Line,One Hundred and Fifty (in Roman numerals)
787	Cl	Chlorine
788	CLA	Clutterers Anonymous
789	CLEC	Competitive Local Exchange Carrier
790	CLEMARS	California Law Enforcement Mutual Aid Radio System
791	CLIC	Compact LInear Collider
792	CLO	Cornell Lab of Ornithology
793	CLOS	Command to Line-Of-Sight (missile control system)
794	CLPFC	CentroLateral PreFrontal Cortex
795	CLRP	College Loan Repayment Program
796	CM	Cameroon (ISO 3166 digram),Cruise Missile,Nine Hundred (in Roman numerals)
797	Cm	Curium
798	CMA	U.S. Chemical Materials Agency,Country Music Association (also used to refer to the organization's annual awards),Crystal Meth Anonymous
799	CMHC	Canada Mortgage and Housing Corporation
800	CMIIAW	Correct me if I am wrong
801	CMIS	Common management information service
802	CMJ	Christopher Martin-Jenkins (BBC sports commentator)
803	CMLL	Consejo Mundial de Lucha Libre (Spanish,'Worldwide Wrestling Council'—Mexican professional wrestling promotion)
804	CMMC	Corps Materiel Management Centre
805	CMML	Chronic MyeloMonocytic Leukemia,Continuous Media Markup Language
806	CMOS	Canadian Meteorological and Oceanographic Society,(The) Chicago Manual of Style,Complementary Metal Oxide Semiconductor
807	CMP	Common [Operating/Operational] Maritime Picture
808	CMPD	Charlotte Mecklenburg Police Department
809	CMPD	Chronic Myeloproliferative Disease
810	CMR	Cameroon (ISO 3166 trigram),Coaxial Main Rotors (helicopter type)
811	CMS	Centers for Medicare and Medicaid Services,The Chicago Manual of Style
812	CMT	Country Music Television
813	CMU	Carnegie Mellon University,Central Michigan University,Concrete Masonry Unit
814	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)
815	CMYK	Cyan Magenta Yellow Key/blacK (colour model)
816	CN	Canadian National (railway; also the AAR reporting mark for said company),China (ISO 3166 digram)
817	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
818	CNBC	Consumer News and Business Channel
819	CND	Campaign for Nuclear Disarmament,Computer Network Defence
820	CNE	Canadian National Exhibition,Computer Network Exploitation,Certified Network Engineer
821	CNF	Cost and Freight
822	CNI	Clinical Nursing Intern
823	CNI	Communications,Navigation and Identification
824	CNN	Cable News Network,Cellular Nonlinear Network
825	CNV	Copy-Number Variable (genetics)
826	Co	Cobalt
827	COB	Close Of Business [day]
828	COBRA	Consolidated Omnibus Budget Reconciliation Act of 1985
829	COD	Cash On Delivery,Democratic Republic of the Congo (ISO 3166 trigram)
830	CoDA	Co-Dependents Anonymous
831	COGENT	Cognitive Objects within a Graphical EnviroNmenT
832	COIL	Chemical Oxygen Iodine Laser
833	COK	Cook Islands (ISO 3166 trigram)
834	COL	Colombia (ISO 3166 trigram)
835	COLA	Cost Of Living Adjustment
836	CONAD	Continental Air Defense Command (USA)
837	CONMEBOL	Confederación Sudamericana de Fútbol or Confederação Sul-Americana de Futebol (respectively Spanish and Portuguese for 'South American Football Confederation')
838	CONUS	Continental United States
839	COO	Chief Operating Officer
840	COPE	U.K. Committee On Publication Ethics
841	COPUS	U.K. Committee on the Public Understanding of Science
842	CORD	Common Operational Requirements Document
843	CORE	Consortium for Oceanographic Research and Education
844	COS	Cooper Ornithological Society
845	COSER	COoperative SERvice
846	CoT	Car of Tomorrow (former NASCAR race car design)
847	COTS	Commercial Off The Shelf
848	CP	Canadian Pacific,Check Point,Command Post,Club Penguin
849	CPA	Certified Public Accountant
850	CPAC	Conservative Political Action Conference,Cable Public Affairs Channel ('see-pack')
851	CPCU	Certified Property Casualty Underwriter
852	CPD	Capabilities Production Document
853	CPE	Certificate of Proficiency in English
854	CPE	Certified Professional Ergonomist
855	CPF	Calibration Parameter File,Canadian Patrol Frigate
856	CPG	Clinical Practice Guideline
857	CPIM	Certification on Production and Inventory Management
858	CPIR	Computationally-Private Information Retrieval
859	CPON	Certified Pediatric Oncology Nurse
860	CPPCC	Chinese People's Political Consultative Conference
861	CPR	Canadian Pacific Railway
862	CPR	Cardiopulmonary resuscitation
863	CPSM	Continuous Phase Shift Modulation
864	CPSU	Communist Party of the Soviet Union
865	CPT	Contingency Planning Team
866	CPU	Contract Postal Unit
867	CPV	Cape Verde (ISO 3166 trigram)
868	CPX	Command Post eXercise
869	CQ	Carrier Qualification,Central Queensland,Charge of Quarters,Congressional Quarterly,Constellation Airlines (IATA airline designator)
870	CQD	Close Quarters Drill (Morse distress code preceding SOS: CQ 'calling all stations',D 'Distress'; often incorrectly interpreted as 'Come Quick,Distress')
871	Cr	Chromium
872	CR	Costa Rica (ISO 3166 digram)
873	CRAM	Combined Radiometric Correction Model
874	CRD	Capstone Requirements Document
875	CREB	Cyclic AMP-response Element Binding (protein)
876	CREEP	Committee for the Re-Election of the President,a pejorative nickname used by opponents
877	CREN	Christian Real Estate Network Real Estate Association
878	CRI	China Radio International,Costa Rica (ISO 3166 trigram)
879	CRIPL	Consolidated Remain-In-Place List
880	CRM	Cardiac Rhythm Management,Customer Relationship Management
881	CRO	Croatia (IOC and FIFA trigram,but not ISO 3166)
882	CRP	Committee for the Re-Election of the President,Control and Reporting Post
883	CRT	Cardiac Resynchronization Therapy,Cathode Ray Tube,Chinese Remainder Theorem
884	CRTC	Canadian Radio-television and Telecommunications Commission
885	Cs	Caesium
886	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
887	CSAM	Child Sexual Abuse Material
888	CSC	Closed Spacelike Curve (relativity),Compact system camera,Computer Sciences Corporation,Computer Security Centre,CSCC Canadian Society of Clinical Chemists
889	CSERIAC	(U.S. DoD) Crew Systems Ergonomics Information Analysis Center
890	CSG	Corps Support Group
891	CSI	see entry
892	CSICOP	Committee for the Scientific Investigation of Claims of the Paranormal (became the Committee for Skeptical Inquiry in 2006)
893	CSIP	Commercial Stable Image Platform (AMD)
894	CSIS	Canadian Security Intelligence Service ('seessiss'),(U.S.) Center for Strategic & International Studies
895	CSK	Czechoslovakia (ISO 3166 trigram; obsolete since 1993)
896	CSL	U.K. Central Science Laboratory
897	CSPI	Center for Science in the Public Interest
898	CSR	Control Supply Rate
899	CSR	Corporate Social Responsibility
900	CSRC	Conflict Studies Research Centre
901	CSRF	Cross-Site Request Forgery
902	CST	Central Standard Time (UTC−6 hours)
903	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)
904	CTA	Central African Republic (FIFA trigram,but not ISO 3166 or IOC),Chicago Transit Authority,Comando-Geral de Tecnologia Aerospacial (Portuguese,[Brazilian] 'General Command for Aerospace Technology')
905	CTBT	Comprehensive [Nuclear] Test Ban Treaty
906	CTDB	Compact Terrain Data Base (file format)
907	CTE	Canton and Enderbury Islands (ISO 3166 trigram; obsolete 1984),Chronic traumatic encephalopathy
908	CTGF	connective tissue growth factor
909	CTI	Co-operative Target Identification
910	CTIL	Critical Tracked Items List
911	CTIS	Central Tire Inflation System
912	CTMS	Clinical Trial Management System
913	CTO	Chief Technical Officer,Chief Technology Officer
914	CTS	Clear-To-Send,Collective Training Standards,Communications Technology Service,Contract Technical Services,Conversation Time Sharing,COSMIC Top Secret
915	CTSS	Compatible Time-Sharing System
916	CTU	Counter Terrorist Unit (fictional branch of the Central Intelligence Agency in the television action series 24)
917	CTVT	Canine Transmissible Venereal Tumour
918	CU	Carrie Underwood, Cuba (ISO 3166 digram)
919	Cu	Copper (Latin 'Cuprum')
920	CUB	Cuba (ISO 3166 trigram)
921	CUCV	Commercial Utility Cargo Vehicle
922	CUNY	City University of New York ('CUE-knee')
923	CUPE	Canadian Union of Public Employees ('CUE-pee')
924	CUPS	Common Unix Printing System
925	CUPW	Canadian Union of Postal Workers
926	CUREA	Consortium for Undergraduate Research and Education in Astronomy
927	CuW	Copper-tungsten pseudo-alloy (from the chemical symbols of the two component elements)
928	CUW	Curaçao (ISO 3166 trigram)
929	CV	curriculum vitae (résumé)
930	CVLL	Crypto Variable Logic Label
931	CVSD	Continuous Variable Slope Delta (modulation)
932	CVT	Continuously Variable Transmission
933	CW	Calendar Week, or: Continuous Wave, or: Clothes Washer
934	CWA	Communications Workers of America
935	CWC	Chemical Weapons Convention
936	CWRU	Case Western Reserve University
937	CWS	Canadian Wildlife Service
938	CX	Christmas Island (ISO 3166 digram),or: One Hundred and Ten (in Roman numerals)
939	CXR	Christmas Island (ISO 3166 trigram)
940	CY	Calendar year, or: Cyprus (ISO 3166 country code digram)
941	CYM	Cayman Islands (ISO 3166 trigram)
942	CZE	Czech Republic (ISO 3166 trigram)
943	CZF	(Christian Zombie Fan)
944	CZMA	(US) Coastal Zone Management Act
945	d	Deci
946	D	Deuterium
947	DA	Debtors Anonymous,U.S. Department of the Army,District Attorney
948	DADVSI	Loi sur le droit d’auteur et les droits voisins dans la société de l’information (French,'Law on copyrights and related rights in the information society')
949	DAES	Defence Acquisition Executive Summary,(UK MoD) Directorate of Analysis,Experimentation and Simulation
950	DAF	Dissolved Air Flotation,a technique used in water treatment
951	DAFIF	Digital Aeronautical Flight Information File
952	DAK	Disney's Animal Kingdom
953	DAO	Division Ammunition Officer
954	DAQ	Data acquisition,Delivered Audio Quality
955	DARE	Drug Abuse Resistance Education
956	DARO	(U.S.) Defense Airborne Reconnaissance Office
957	DARPA	U.S. Defense Advanced Research Projects Agency
958	DART	Disaster Assistance Response Team,Dublin Area Rapid Transit
959	DAS	Defensive Aids Suite
960	DASD	(U.S.) Deputy Assistant Secretary of Defense
961	DASL	Datapoint's Advanced Systems Language
962	DAU	(U.S.) Defense Acquisition University
963	DAWN	(U.S.) Drug Abuse Warning Network
964	dB	Decibel
965	DB	Deutsche Bahn
966	Db	Dubnium
967	DBA	De Bellis Antiquitatis (miniature wargaming rules)
968	DBBL	(U.S. Army Simulation Center) Dismounted Battlespace Battle Laboratory
969	DBDO	Desert BDO
970	DBE	Dame Commander of the Order of the British Empire
971	DBF	Detection By Fire (weapon launch signature)
972	DBR	De Bellis Renationis (miniature wargaming rules)
973	DBRA	Davis-Bacon Related Acts
974	DBS	Direct Broadcast Services (television)
975	DC	da capo,Italian Democrazia Cristiana,Digital Compass,Direct Current,District of Columbia (postal symbol),Douglas Aircraft Company,Dublin Core,Duty Cycle
976	DCA	Defensive Counter Air,Drum Corps Associates,DiChloroAcetate
977	DCAA	(U.S.) Defense Contract Audit Agency
978	DCAS	Devon and Cornwall Archery Society
979	DCC	Dallas Christian College
980	DCD	[Organ] Donation after Cardiac Death
981	DCE	Data Communication Equipment
982	DCFC	Death Cab for Cutie
983	DCI	Detection,Classification and Identification,Drum Corps International,Duellists' Convocation International,now known simply by the initials
984	DCL	Disney Cruise Line
985	DCN	Deacon
986	DCOM	Disney Channel Original Movie
987	DCSOPS	Deputy Chief of Staff for Operations and plans
988	DCW	Digital Chart of the World
989	DCYSC	Discovery Channel Young Scientist Challenge
990	DD	due diligence and dear daughter (increasingly prevalent on social mailing lists,blogs,and bulletin boards)
991	DDA	Deputy District Attorney
992	DDN	U.S. Defense Data Network
993	DDS	Doctor of Dental Surgery
994	DDT	Dichloro-Diphenyl-Trichloroethane (insecticide),Dynamic Debugging Tool (computing),DE[edit]
995	DE	Delaware (postal symbol),Germany (ISO 3166 digram)
996	DEA	Drug Enforcement Administration
997	DEA	Drug Enforcement Agency
998	DEC	Department of Environmental Conservation,Digital Equipment Corporation,Disasters Emergency Committee
999	DeCA	(U.S.) Defense Commissary Agency
1000	DEFCON	Defence readiness condition
1001	DEFRA	(UK) Department for Environment,Food and Rural Affairs
1002	DELT	Dual Ended Line Test (ing)
1003	DEM	Data Exchange Mechanism,Digital Elevation Model
1004	DEN	Denmark (IOC and FIFA trigram,but not ISO 3166)
1005	DEPSECDEF	(U.S.) Deputy Secretary of Defense
1006	DERA	British Defence Evaluation and Research Agency (1995-2001)
1007	DES	Deep Ecliptic Survey
1008	DEU	Germany (ISO 3166 trigram)
1009	DF	Direct Fire,Direction Finding,Distrito Federal (Spanish and Portuguese for 'federal district')
1010	DFAS	(U.S.) Defense Finance and Accounting Service
1011	DFB	Deutscher Fußball-Bund (German for 'German Football Association')
1012	DFCB	Data Format Control Book
1013	DfID	UK Department for International Development
1014	DFM	Discrete Field Model see Superluminal motion
1015	DFM	Dynamic Flowgraph Methodology
1016	DFSP	Dermatofibrosarcoma protuberans
1017	DfT	UK Department for Transport
1018	DFTBA	Don't Forget To Be Awesome,a term commonly used by the Vlogbrothers
1019	DG	Dei gratia (Latin,'by the grace of God'),Director-General,Data General
1020	DGA	Direction générale des armées (French 'Armed Forces General Directorate')
1021	DGPS	Differential GPS
1022	DGZ	Desired Ground Zero
1023	DHA	DocosaHexaenoic Acid
1024	DHHS	(U.S.) Department of Health and Human Services
1025	DHRA	(U.S.) DoD Human Resources Activity
1026	DHSS	UK Department of Health and Social Security
1027	DHTFYSS	U.S. Don't Have Time For You Silly S****
1028	DHY	Dahomey (ISO 3166 trigram; became BEN for Benin in 1977)
1029	DIA	U.S. Defense Intelligence Agency
1030	DIAC	Department of Immigration and Citizenship (Australia) [1]
1031	DiC	Design Island Centre (computing usually used in a teaching situation)
1032	DICASS	DIrectional Command Activated Sonobuoy System
1033	DIFAR	DIrectional Frequency Analysis and Recording
1034	DIME	Dense Inert Metal Explosive
1035	DIP	Dual In-line Package (electronics)
1036	DIPS	Defense independent pitching statistics
1037	DIR	Defence Industrial Research
1038	DISCOM	Division Support Command
1039	DISE	Deployable Intelligence Support Element
1040	DISSTAF	DIS Search and Target Acquisition Fidelity experiment
1041	DITY	Do-It-Yourself
1042	DIVAD	Division Air Defence
1043	DIY	Do It Yourself
1044	DJI	Djibouti (ISO 3166 trigram)
1045	DK	Denmark (ISO 3166 digram)
1046	DL	Dexter's Laboratory
1047	DLIC	Detachment Left-In-Contact
1048	DLIR	Depot-Level Inspection and Repair
1049	DLPMC	DorsoLateral PreMotor Cortex
1050	DLRP	Data Link Reference Point
1051	DLS	Deep Lens Survey
1052	DLSA	(U.S.) Defense Legal Services Agency
1053	DLSc	Diploma in Library Science
1054	DLTBGYD	Don't let the bastards grind you down
1055	DMC	(U.S.) Defense Management Council
1056	DMCA	Digital Millennium Copyright Act
1057	DMM	Digital Multimeter
1058	DMOC	Distributed Mission Operations Centre
1059	DMPA	(U.S.) Defense Medical Programs Activity
1060	DMPFC	DorsoMedial PreFrontal Cortex
1061	DMPK	Drug Metabolism and Pharmacokinetics
1062	DMRB	Design Manual for Roads and Bridges
1063	DMS	U.S. Defense Message System
1064	DMSP	U.S. Defense Meteorological Satellite Program
1065	DMT	Dimethyltryptamine
1066	DMV	Department of Motor Vehicles
1067	DMZ	DeMilitarized Zone
1068	DN	Deacon
1069	DNAW	Day Night All Weather
1070	DNDi	Drugs for Neglected Diseases initiative
1071	DNDO	U.S. Domestic Nuclear Detection Office
1072	DNK	Denmark (ISO 3166 trigram)
1073	DNM	Defence Nuclear Material
1074	DNR	Do Not Resuscitate
1075	DO	Dominican Republic (ISO 3166 digram),Doctor of Osteopathic Medicine
1076	DOA	Dead On Arrival,Dead or Alive
1077	DOB	Date Of Birth
1078	DOHC	Dual-OverHead-Cam engine
1079	DOI	U.S. Department of the Interior
1080	DORA	Defence of the Realm Act
1081	DOS	Density of State
1082	DOT	Damage Over Time (common in World of Warcraft)
1083	DOTA	short-form for DEFENSE OF THE ANCIENTS a popular online epic game
1084	DotD	Deal of the Day (marketing gimmick)
1085	DOW	Died of Wounds
1086	DP	Division de production (Algerian petroleum company)
1087	DPA	UK Defence Procurement Agency
1088	DPCO	Double-Pole Change Over
1089	DPDT	Double-Pole Double-Throw
1090	DPI	Dots Per Inch
1091	DPICM	Dual-Purpose Improved Conventional Munition
1092	DPKO	UN Department for Peacekeeping Operations
1093	DPMO	(U.S.) Defense Prisoner of War/Missing Personnel Office
1094	DPPDB	Digital Point Positioning Database
1095	DPRK	Democratic People's Republic of Korea
1096	DPST	Double-Pole Single-Throw
1097	DQ	Dairy Queen
1098	DR	Dead Reckoning,Danmarks Radio (Danish Broadcasting Corporation)
1099	DRC	Democratic Republic of the Congo
1100	DRDC	Defence Research & Development Canada
1101	DREA	Defence Research Establishment Atlantic (obsolete 2002)
1102	DRES	Defence Research Establishment Suffield (obsolete 2002)
1103	DRET	Defence Research Establishment Toronto (obsolete 2002)
1104	DREV	Defence Research Establishment Valcartier (obsolete 2002)
1105	DRIC	(U.S.) Defense Research Information Center
1106	DRMS	(U.S.) Defense Revitalization and Marketing Service
1107	DRPR	Drawing Practices
1108	DRT	Document Related Technologies
1109	Ds	Darmstadtium
1110	DSAS	Disney Sing Along Songs
1111	DSB	(U.S.) Defense Science Board
1112	DSCS	U.S. Defense Satellite Communications System
1113	DSCSOC	DSCS Operations Center
1114	DSE	Dry Sheep Equivalent
1115	DSG	Direct-Shift Gearbox
1116	DSID	Dismounted Soldier Identification System
1117	DSL	Digital Subscriber Line
1118	DSLR	Digital single-lens reflex (camera)
1119	DSM	Diagnostic and Statistical Manual of Mental Disorders
1120	DSN	Deep Space Network
1121	DSPL	Design Specialists and Plans Language
1122	DSR	Deformed Special Relativity
1123	DST	Daylight Saving Time
1124	DSTL	British Defence Science and Technology Laboratory
1125	DSWA	(U.S.) Defense Special Weapons Agency
1126	DTA	Dental Technologists Association
1127	DTD	Digital Terrain Data
1128	DTG	Date-Time Group
1129	DTH	Direct To Home (television)
1130	DTI	UK Department of Trade and Industry
1131	DTIC	(U.S.) Defense Technical Information Center
1132	DTL	Diode-Transistor Logic (electronics)
1133	DTMF	Dual-tone multi-frequency signaling
1134	DTO	Disruptive Technology Office (was ARDA)
1135	DTR	Determine The Relationship
1136	DTSA	(U.S.) Defense Technology Security Administration
1137	DUMBO	Down Under the Manhattan Bridge Overpass (Brooklyn neighborhood)
1138	DUSD	(U.S.) Deputy Under-Secretary of Defense
1139	DVLC	UK Driver and Vehicle Licencing Centre
1140	DVM	Doctor of Veterinary Medicine
1141	DVO	Direct View Optics
1142	DVOM	Digital Volt-Ohm Meter
1143	DVP	various meanings (disambiguation page)
1144	DW	Drum Workshop
1145	DWIM	Do What I Mean
1146	DWM	Doctor Who Magazine
1147	DWTS	Dancing with the Stars
1148	DWW	Down with Webster
1149	DXA	Dual-energy X-ray Absorptiometry
1150	DXM	DeXtroMethorphan
1151	DY	Dahomey (ISO 3166 digram; obsolete since 1977)
1152	Dy	Dysprosium
1153	DZA	Algeria (ISO 3166 trigram)
1154	E	East
1155	EABU	Explain Acronyms Before Use
1156	EAC	Echelons Above Corps
1157	EAPC	Euro-Atlantic Partnership Council
1158	EAST	Experimental Advanced Superconducting Tokamak
1159	EBD	Electronic Brake Distribution
1160	EBE	Extraterrestrial Biological Entity
1161	EBSA	Employee Benefits Security Administration
1162	EBW	Electron Beam Welding
1163	EBW	Exploding BridgeWire
1164	ECASS	European Centre for Analysis in the Social Sciences [1]
1165	ECBR	European Coalition for Biomedical Research
1166	ECCM	Electronic Counter-Counter-Measures
1167	ECFS	Electronic Case Filing System
1168	ECG	Electrocardiogram
1169	ECHR	European Court on Human Rights
1170	ECJ	European Court of Justice
1171	ECL	Emitter Coupled Logic (electronics)
1172	ECommHR	European Commission on Human Rights
1173	ECSC	European Coal and Steel Community (distant ancestor of the EU)
1174	ECT	ElectroConvulsive Therapy
1175	ECtHR	European Court of Human Rights
1176	EDA	European Defence Agency
1177	EDAC	Error Detection And Correction
1178	EDCS	Environmental Data Coding Specification
1179	EDH	Eastman Dental Hospital
1180	EDSA	Epifanio de los Santos Avenue (a major thoroughfare in Manila with great significance to post-1980 Philippines history)
1181	EDT	Eastern Daylight Saving Time (UTC−4 hours)
1182	EEC	European Economic Community (predecessor of the EU)
1183	EEG	ElectroEncephaloGram
1184	EENT	End Evening Nautical Twilight
1185	EEO	Equal Employment Opportunity
1186	EEOC	(U.S.) Equal Employment Opportunity Commission
1187	EEZ	Economic Exclusion Zone or Exclusive Economic Zone
1188	EFF	Electronic Frontier Foundation
1189	EFL	English as a Foreign Language
1190	EFM	Enterprise Feedback Management
1191	EFOA	European Fuel Oxygenates Association
1192	EFSA	European Food Safety Authority
1193	EFT	Electronic Fund Transfer
1194	EFV	Expeditionary Fighting Vehicle
1195	EG	Egypt (ISO 3166 digram)
1196	EGCG	EpiGalloCatechin-3-Gallate
1197	EGIS	Erieye Ground Interface Segment
1198	EGRET	Energetic Gamma-Ray Experiment Telescope
1199	EGY	Egypt (ISO 3166 trigram)
1200	EHF	Extremely High Frequency
1201	EHR	Equipment History Record
1202	Ei	Exbi
1203	EIA	Environmental Impact Assessment
1204	EIAH	Encyclopedia of Iranian Architectural History
1205	EIAH	Environnements Informatiques pour l'Apprentissage Humain
1206	EIC	East India Company
1207	EICS	East India Company's Service
1208	eID	electronic ID
1209	EIRP	Effective Isotropic Radiated Power
1210	EIS	Environmental Impact Statement
1211	EJ	Exajoule
1212	EK	Exakelvin
1213	EKG	Electrocardiogram (from German Elektrokardiogramm)
1214	EKMS	Electronic Key Management System
1215	EL	Exalitre
1216	ELINT	Electronic Intelligence
1217	ELL	English Language Learner
1218	ELM	Edge-Localised Mode (plasma physics)
1219	ELO	Electric Light Orchestra
1220	ELSS	Emergency Life Support Stores
1221	EM	ElectroMagnetism/ElectroMagnetic
1222	Em	Exametre
1223	EMA	European Medicines Agency
1224	EMCON	(Electromagnetic) Emissions Control
1225	EMDG	Euro-Missile Dynamics Group
1226	EMDR	Eye Movement Desensitisation and Reprocessing
1227	EMEA	Europe,Middle East and Africa
1228	EMG	ElectroMyoGraph
1229	EMP	ElectroMagnetic Pulse
1230	EMS	Emergency Medical Services
1231	EMT	Emergency Medical Technician
1232	EN	Corps of Engineers,Exanewton
1233	ENCODE	Encyclopedia of DNA Elements (human genome data project)
1234	ENE	East North-East
1235	ENG	England (FIFA trigram; not eligible for an ISO 3166 or IOC trigram)
1236	ENTEC	Euro NATO Training Engineer Centre
1237	ENVL	Envelope
1238	ENY	Enemy
1239	EOD	Explosive Ordnance Disposal
1240	EOG	ElectroOculoGraphy
1241	EOM	End of Message
1242	EOSAT	Earth Observation Satellite
1243	EOSDIS	Earth Observation Satellite Data and Information System
1244	EP	European Parliament
1245	EP	Extended play
1246	EPCOT	Experimental Prototype Community Of Tomorrow
1247	EPGS	EOS Polar Ground Sites
1248	EPIRB	Emergency Position Indicating Radio Beacon
1249	EPL	English Premier League
1250	EPOS	Electronic Point Of Sale
1251	EPPA	Employee Polygraph Protection Act
1252	EPR	European Pressurised [Nuclear] Reactor
1253	EQ	Emotional Quotient
1254	Er	Erbium
1255	ERCIM	European Research Consortium for Informatics and Mathematics
1256	ERI	Eritrea (ISO 3166 trigram)
1257	ERLAWS	Eastern Ruapehu Lahar Alarm and Warning System
1258	EROS	Earth Resources Observation System
1259	ERP	Engineer Regulating Point
1260	ERR	Eesti Rahvusringhääling
1261	ERS	Earth Resources Survey
1262	ERTS	Earth Resources Technology Satellite (became Landsat)
1263	ERV	Endogenous RetroVirus
1264	ES	Electronic warfare Support,Exasiemens,Spain (ISO 3166 digram; from the country's native name of España)
1265	ESA	Electro-Spark Alloying, Endangered Species Act, European Space Agency
1266	ESC	Embryonic Stem Cell, Electronic Stability Control
1267	ESDP	European Security and Defence Policy
1268	ESE	East South-East
1269	ESH	Western Sahara (ISO 3166 trigram)
1270	ESL	English as a Second Language
1271	ESM	Electronic warfare Support Measures
1272	ESO	European Southern Observatory
1273	ESOL	English for Speakers of Other Languages
1274	ESPN	Entertainment and Sports Programming Network
1275	EST	Eastern Standard Time (UTC−5 hours), Estonia (ISO 3166 trigram)
1276	ESU	Emergency Services Unit
1277	ESV	Engineer Support Vehicle
1278	ET	Ethiopia (ISO 3166 digram)
1279	ETH	Ethiopia (ISO 3166 trigram)
1280	ETI	Extra-Terrestrial Intelligence
1281	ETLA	Extended TLA
1282	ETM	Electronic Technical Manual, Enhanced Thematic Mapper
1283	ETT	Embedded Training Team
1284	EU	European Union
1285	Eu	Europium
1286	EUCOM	(U.S.) European Command
1287	EUUSA	European Union and United States of America
1288	EV	Exavolt
1289	EVA	Earned Value Analysis, Economic value added, Ethylene-Vinyl Acetate, Extra-Vehicular Activity
1290	EVIL	Electronic viewfinder (with) interchangeable lens (a type of digital camera)
1291	EWSD	Elektronisches Wählsystem Digital (German,'Electronic Digital Switching System')
1292	EWTN	Eternal Word Television Network
1293	Exatesla	Extra Terrestrial
1294	EXREP	Expeditious Repair (SM&R code)
1295	EZ	Extraction Zone
1296	f	Femto
1297	fA	Femtoampere
1298	FA	Food Addicts in Recovery Anonymous
1299	FAA	Financial Aid Administrator,Fleet Air Arm,Functional Area Analysis
1300	FAAD	Forward Area Air Defence
1301	FAADEZ	Forward Area Air Defence Engagement Zone
1302	FAAFP	Fellow of the American Academy of Family Physicians
1303	FAAN	Fellow of the American Academy of Neurology
1304	FAAN	Fellow of the American Academy of Nursing
1305	FAAQ	Frequently Asked and Anticipated Questions
1306	FAASV	Field Artillery Ammunition Supply Vehicle
1307	FAB	Feline Advisory Bureau (UK feline charity)
1308	FACA	(US) Federal Advisory Committee Act
1309	FACH	Fuerza Aérea de Chile
1310	FACN	Fellow of the American College of Nutrition
1311	FACP	Fellow of the American College of Physicians
1312	FACTS	Flexible Alternating Current Transmission System
1313	FAM	Foreign Affairs Manual
1314	FAO	Food and Agriculture Organization
1315	FAPA	Fellow of the American Psychological Association
1316	FAPHA	Fellow of the American Public Health Association
1317	FARP	Forward Arming and Refuelling Point / Forward Area Rearm/refuel Point
1318	FASCAM	Family of Scatterable Mines[1]
1319	FASD	Fetal Alcohol Spectrum Disorder
1320	FASEB	Federation of American Societies for Experimental Biology
1321	FAT	Field Artillery Tractor
1322	FAVS	Future Armoured Vehicle System
1323	FAW	Football Association of Wales
1324	FBCS	Fellow of the British Computer Society
1325	FBIDST	Fellow of the British Institute of Dental and Surgical Technologists
1326	FBIS	Foreign Broadcast Information Service
1327	FBM	Board foot
1328	fC	Femtocoulomb
1329	FCC	U.S. Federal Communications Commission
1330	FCE	First Certificate in English
1331	FCF	Financial Free Cash Flow
1332	FCLA	Fraud Claims Law Associate
1333	FCO	UK Foreign and Commonwealth Office
1334	FCW	Florida Championship Wrestling
1335	FD	Falun Dafa
1336	FDBK	(I) Feedback
1337	Fe	Iron (Latin Ferrum)
1338	FEAST	Forum for European-Australian Science and Technology Cooperation
1339	FEATS	Festival of European Anglophone Theatrical Societies link title
1340	FEBA	Forward Edge of the Battle Area
1341	FED	Field Emission Display
1342	FEDEP	Federation Development Process (Simulation)
1343	FEF	Frontal Eye Field (neurophysiology)
1344	FEMA	Farm Equipment Manufacturers Association, U.S. Federal Emergency Management Agency,Fire Equipment Manufacturers' Association
1345	FENS	Federation of European Neuroscience Societies
1346	FES	Flywheel Energy Storage
1347	FEST	Frankfurt English Speaking Theatre link title
1348	FET	Field-effect transistor
1349	FEZ	Fighter Engagement Zone
1350	fF	Femtofarad
1351	FF	Final Fantasy
1352	FFB	Frum From Birth (referring to an observant Jew born into a religiously observant family)
1353	FFC	Free For Chat
1354	FFE	Fukuoka Futures Exchange
1355	FFF	Fédération française de football (French for: French Football Federation)
1356	FFG	Guided Missile Frigate (hull classification symbol)
1357	FFOV	Forward Field Of View
1358	FFR	Fédération française de rugby (French for: French Rugby (Union) Federation)
1359	FFS	For Fuck's Sake
1360	FFT	Final Fantasy Tactics
1361	FG	Falun Gong
1362	fg	Femtogram
1363	FG	Fog (METAR Code)
1364	FGOTUS	First Gentleman of the United States
1365	FGR	Flickr Group Roulette
1366	fH	Femtohenry
1367	FHFIF	Foster's Home for Imaginary Friends
1368	FHI	Family Health International, Fuji Heavy Industries,Ltd.
1369	FI	Finland (ISO 3166 digram)
1370	FIAT	Fabbrica Italiana Automobili Torino (Italian for: Italian Car Factory of Turin)
1371	FIB	Fucking Illinois Bastard (Wisconsin slang, variants exist)
1372	FIBUA	Fighting In Built-Up Areas
1373	FIC	Fellowship for Intentional Community
1374	FID	Foreign Internal Defence
1375	FIE	Fly-In Echelon
1376	FIFA	Fédération internationale de football association (French for: International Association Football Federation)
1377	FIFe	Fédération internationale féline (French for: International Feline Federation)
1378	FIFO	First In, First Out
1379	FIFRA	Federal Insecticide, Fungicide, and Rodenticide Act
1380	FIGJAM	Fuck I'm Good, Just Ask Me
1381	FIMPT	Fellow of the Institute of Maxillofacial Prosthetists and Technologists
1382	FIN	Finland (ISO 3166 trigram)
1383	FINA	Fédération internationale de natation (French for: International Swimming Federation)
1384	FIRES	Fever Induced Refractory Epilepsy Syndrome or Febrile Infection-Related Epilepsy Syndrome
1385	FIS	Fédération internationale de ski (French for: International Ski Federation)
1386	FISA	Fédération Internationale des Sociétés d'Aviron (French for: International Federation of Rowing Associations)
1387	FISH	Fluorescence In-Situ Hybridisation
1388	FiST	Fire Support Team
1389	FITS	Flexible Image Transport System
1390	FIU	Florida International University
1391	fJ	Femtojoule
1392	FJ	Fiji (ISO 3166 digram)
1393	FJI	Fiji (ISO 3166 trigram)
1394	FJN	Financial Job Network
1395	FK	Falkland Islands (ISO 3166 digram)
1396	fK	Femtokelvin
1397	FKSM	Fort Knox Supplemental Manual
1398	FKT	Fastest Known Time
1399	fL	Femtolitre
1400	FL	Florida (postal symbol)
1401	fl	floruit (Latin for: living) (genealogy)
1402	FLA	Florida,Front Line Assembly,Future Large Aircraft
1403	FLAB	Four-letter abbreviation
1404	FLAC	Free Legal Advice Centres
1405	FLAC	Free Lossless Audio Codec
1406	FLAK	Flug-Abwehr-Kanone (German for: Anti-Aircraft Guns)
1407	FLB	Forward Logistics Base
1408	FLET	Forward Line of Enemy Troops
1409	FLG	Falun Gong
1410	FLIP	Flight Information Publication
1411	FLIR	Forward Looking InfraRed (sensor)
1412	FLK	Falkland Islands (ISO 3166 trigram)
1413	FLOT	Forward Line of Own Troops
1414	FLOTUS	First Lady of the United States (the wife of the President of the United States)
1415	FLQ	Free Legal Questions
1416	FLQ	Front de libération du Québec (French for: Québec Liberation Front)
1417	FLSA	Fair Labor Standards Act
1418	FLTSAT	Fleet Satellite
1419	FLTSATCOM	Fleet Satellite Communication System
1420	FLUBOS	Fat, Lazy, Useless, Bag Of Shit
1421	FM	Factory Mutual
1422	FM	Federal Magistrate (Australian post-nominal),Federated States of Micronesia (postal symbol; ISO 3166 digram),Field Manual,Flight Manager,Frequency Modulation (electronics)
1423	fm	Femtometre
1424	Fm	Fermium
1425	FMC	Federal Magistrates' Court (an Australian federal court,formerly FMS),Food Machinery Corporation (original name of the company now known as FMC Corporation)
1426	FMCA	Federal Magistrates' Court of Australia (used for citing decisions of the FMC other than family law decisions)
1427	FMCAfam	Federal Magistrates' Court of Australia: family (used for citing family law decisions of the FMC)
1428	FMCG	Fast Moving Consumer Goods
1429	FME	Formal Methods Europe
1430	FMECA	Failure Modes and Effect Criticality Analysis
1431	FMJD	Fédération Mondiale du Jeu de Dames
1432	FMLA	Family Medical Leave Act
1433	FoE	Friends of the Earth
1434	FOGC	Federal Oil and Gas Council
1435	FOH	Front Of House
1436	FOIA	Freedom of Information Act
1437	FOM	Federation Object Model
1438	FONSI	Finding of No Significant Impact
1439	FOO	Forward Observation Officer
1440	FOOP	Friends Of Organ Pipes (Volunteer group)
1441	FoS	Family of Systems
1442	FOSE	Fallout 3 Script Extender
1443	FOSE	Federal Office Systems Expo
1444	FOT	Free on truck
1445	FOTA	Fellow of the Orthodontic Technicians Association
1446	FOTC	Flight of the Conchords
1447	FOUO	For Official Use Only
1448	FPF	Federação Portuguesa de Futebol (Portuguese for: Portuguese Football Federation), Final Protective Fire
1449	FPS	Fire Prevention System
1450	FQ	French Southern and Antarctic Territories (ISO 3166 digram; obsolete 1979)
1451	FR	France (ISO 3166 digram)
1452	Fr	Francium
1453	FRA	Federal Railroad Administration, France (ISO 3166 trigram)
1454	FRAND	Fair,reasonable,and non-discriminatory (concept in standards-setting and intellectual property law)
1455	FRCP	Federal Rules of Civil Procedure,Fellow of the Royal College of Physicians
1456	FRICBM	Full Range ICBM
1457	FRO	Faroe Islands (ISO 3166 trigram)
1458	FRS	Fellow of the Royal Society, U.S. Federal Reserve System
1459	FRSA	Fellow of the Royal Society of Art
1460	FRY	Federal Republic of Yugoslavia
1461	fs	Femtosecond
1462	fS	Femtosiemens
1463	FSA	Fire Support Area, UK Food Standards Agency, Functional Solution Analysis
1464	FSC	Federal Supply Classification, Forest Stewardship Council (ecological pressure group)
1465	FSCL	Fire Support Co-ordination Line
1466	FSE	Fire Support Element
1467	FSF	Free Software Foundation
1468	FSH	Follicle Stimulating Hormone
1469	FSI	Fuel Stratified Injection
1470	FSS	Fire Support Station
1471	FSSP	Families of Structurally Similar Proteins
1472	FSTC	Foreign Science Technology Center (now NGIC)
1473	fT	Femtotesla
1474	FTC	Federal Trade Commission
1475	FTE	Full Time Equivalent
1476	FTL	Faster Than Light
1477	FTS	Flight Termination System used during some rocket launches
1478	FTS	Fuck That Shit
1479	FU	Smoke (METAR Code)
1480	FUBAR	Fucked/Fouled Up Beyond All Recognition/Repair
1481	fV	Femtovolt
1482	fW	Femtowatt
1483	FW	Forward
1484	FWC	Football World Cup
1485	FWF	Fixed Word Format
1486	FWI	French West Indies
1487	FWIW	For What It's Worth
1488	FWS	U.S. Fish and Wildlife Service
1489	FWT	Fresh Water Tank
1490	FXX	Metropolitan France (ISO 3166 trigram; obsolete 1997)
1491	FYA	For Your Agenda
1492	FYDP	Five-Year Defense Plan (U.S.)
1493	FYI	For Your Information
1494	FYROM	Former Yugoslav Republic of Macedonia
1495	FZDZ	Freezing Drizzle (METAR Code)
1496	FZFG	Freezing Fog (METAR Code)
1497	FZRA	Freezing Rain (METAR Code)
1498	g	Gram
1499	G3	Heckler & Koch G3
1500	GAAR	General Anti-Avoidance Rule (tax evasion)
1501	GAB	Gabon (ISO 3166 trigram)
1502	GABA	Gamma-AminoButyric Acid
1503	GAD	Generalized Anxiety Disorder
1504	GAF	Garfield and Friends
1505	GAO	U.S. Government Accountability Office
1506	GAW	Global Atmospheric Watch
1507	GB	United Kingdom of Great Britain and Northern Ireland (ISO 3166 digram) [glamour boy 7-9/10]
1508	GBBC	Great (Global) Backyard Bird Count
1509	GBE	Knight/Dame Grand Cross of the Order of the British Empire
1510	GBR	United Kingdom of Great Britain and Northern Ireland (ISO 3166 trigram)
1511	GCA	Graduate in Claims Administration
1512	GCD	see entry
1513	GCF	Greatest Common Factor
1514	GCI	Ground-controlled interception
1515	GCN	Gamma-ray burst Coordination Network
1516	GCS	Global Coordinate System
1517	GCSE	General Certificate of Secondary Education (UK)
1518	Gd	Gadolinium
1519	GD	Grenada (ISO 3166 digram)
1520	GDL	Game Definition Language
1521	GDR	General Distribution Release (Microsoft Term for a software service release; between Hotfix and Service Pack)
1522	GDR	German Democratic Republic (cf. DDR)
1523	GDW	Game Designers Workshop
1524	Ge	Germanium
1525	GEBCO	General Bathymetric Chart of the Oceans
1526	GEC	Great Engineering Challenge
1527	GED	General Educational Development (high school equivalency credential in the U.S. and Canada)
1528	GEEP	Geophysical Equipment Exploration Platform
1529	GEN	Full General (four stars) in the U.S. Army
1530	GeV	Gigaelectron-volt
1531	GEV	Ground Effect Vehicle
1532	GFCI	Ground Fault Circuit Interruptor (aka GFI)
1533	GFI	Ground Fault Interruptor (aka GFCI)
1534	GFL	German Football League (Germany's Bundesliga for American football; the English-language name is used in German without translation)
1535	GFN	Global Footprint Network
1536	GFY	'good for you' or 'go fuck yourself', depending on the context (Internet chat)
1537	GGK	Good God Karma
1538	GHA	Ghana (ISO 3166 trigram)
1539	GHB	gamma-Hydroxybutyric acid
1540	Gi	Gibi
1541	GIB	Gibraltar (ISO 3166 trigram)
1542	GIG	Global Information Grid
1543	GINO	Godzilla In Name Only
1544	GISS	General Impression of Size and Shape,Goddard Institute for Space Studies
1545	GJ	Gigajoule,Gujarat (Indian state code)
1546	GJD	Geocentric Julian Day
1547	GK	Gigakelvin
1548	GLAAD	Gay and Lesbian Alliance Against Defamation
1549	GLAC	General Ledger Accounting Code
1550	GLAST	Gamma-ray Large Area Space Telescope
1551	GLBA	Gramm-Leach-Bliley Act
1552	GLC	Gas-liquid chromatography
1553	GLP	Guadeloupe (ISO 3166 trigram)
1554	GLV	Gained Life Value
1555	Gm	Gigametre
1556	GM	The Gambia (ISO 3166 digram),GameMaster (role-playing),General Motors,Genetically Modified,Guru Meditation (computing)
1557	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
1558	GMB	The Gambia (ISO 3166 trigram),General,Municipal,Boilermakers (and Allied Trade Union)
1559	GMFSC	Ground Mobile Forces Satellite Communications
1560	GMO	Genetically Modified Organism
1561	GMPCS	Global Mobile Personal Communications by Satellite
1562	GNAS	Grand National Archery Society
1563	GNB	Guinea-Bissau (ISO 3166 trigram)
1564	GNP	Gross National Product
1565	GNQ	Equatorial Guinea (ISO 3166 trigram)
1566	GnRH	Gonadotropin-Releasing Hormone
1567	GOA	General of the Army (United States only)
1568	GOAT	Greatest Of All Time
1569	GOC	General Officer Commanding
1570	GOES	Geostationary Operational Environmental Satellite
1571	GOP	Grand Old Party
1572	gorp	granola,oats,raisins,peanuts (another name for trail mix),probably a backronym
1573	GOSC	General Officer Steering Committee
1574	GOSH	Great Ormond Street Hospital
1575	GOSP	Gas/Oil Separation Plant
1576	GOTS	Government off-the-shelf
1577	GOYADIN	Get Off Your Arse,Do It Now (anti-procrastination mantra)
1578	GP	General Practitioner,General Purpose,Grand Prix,Guadeloupe (ISO 3166 digram)
1579	GPA	Grade Point Average
1580	GPC	Global Path Cache
1581	GPIB	General-Purpose Instrumentation/Interface Bus
1582	GPO	General Post Office
1583	GPPC	Genetics and Public Policy Center
1584	GPR	Ground-Penetrating Radar
1585	GPS	General Problem Solver,Global Positioning System
1586	GPT	General Purpose Technology, Get paid to surf (an online business model)
1587	GQ	Equatorial Guinea (ISO 3166 digram),Gentlemen's Quarterly (the original name of the magazine now known simply as GQ),GR[edit]
1588	GR	Greece (ISO 3166 digram),Hail (METAR Code)
1589	GRAIL	Gravity Recovery and Interior Laboratory
1590	GRAS	Generally recognized as safe (FDA list)
1591	GRB	Gamma-Ray Burst
1592	GRC	Greece (ISO 3166 trigram)
1593	GRD	Grenada (ISO 3166 trigram)
1594	GRE	Graduate Record Examination,Greece (IOC and FIFA trigram,but not ISO 3166)
1595	grep	[search] Globally for Regular Expression,Print [lines]
1596	GRID	Gay-Related Immune Deficiency (original name of AIDS)
1597	GRid	Global Release Identifier,a music industry identifier from the RIAA and IFPI
1598	GriT	Girl raised in Texas (Woman presenting firm southern traits/beliefs)
1599	GRL	Greenland (ISO 3166 trigram)
1600	GRN	Grenada (IOC and FIFA trigram,but not ISO 3166),Goods Received Note
1601	Gs	Gigasecond
1602	GSA	U.S. General Services Administration
1603	GSD	Graphical Situation Display
1604	GSGB	(God send glamour boy 9-10/10)
1605	GSK	GlaxoSmithKline [good sexual karma]
1606	GSN	Game Show Network
1607	GSO	General Services Officer (U.S. Department of State)
1608	GSOH	Good Sense Of Humour
1609	GSP	Georges St-Pierre (Canadian MMA fighter)
1610	GSR	Gun Shot Residue
1611	GSS	Generic Security Services
1612	GST	Gulf Standard Time, Goods and Services Tax (Australia,Canada,and other countries)
1613	GSW	Gunshot wound
1614	GTD	Getting Things Done
1615	GTG	Got To Go (Internet chat)
1616	GTGN	Getty Thesaurus of Geographic Names
1617	GTK	Good To Know (Internet chat)
1618	GTM	Guatemala (ISO 3166 trigram)
1619	GU	Guam (postal symbol; ISO 3166 digram)
1620	GUF	French Guiana (ISO 3166 trigram)
1621	GUILT	Gangliated Utrophin Immuno Latency Toxin
1622	GULCR	Grupo de Usuarios de Linux de Costa Rica
1623	GUT	Grand Unification Theory
1624	GV	Gigavolt
1625	GWARS	Ground Warfare System (simulation)
1626	GWAS	Grand Western Archery Society
1627	GWOT	Global War on Terrorism
1628	GXE	Gene-enivronment interaction
1629	GXM	Matrox Graphics eXpansion Module
1630	GY	Guyana (ISO 3166 digram)
1631	GZ	Ground Zero
1632	GZK	Greisen-Zatsepin-Kuzmin cut-off (cosmic ray energies)
1633	h	Hecto
1634	H	Henry
1635	H1	First half of the year
1636	H2	Second half of the year
1637	HA	High Availability
1638	HAARP	High Frequency Active Auroral Research Program
1639	HAART	Highly Active Anti-Retroviral Therapy
1640	HAI	Human Awareness Institute
1641	HAL	Hardware Abstraction Layer
1642	HALO	High Altitude Low Opening (parachute jump)
1643	HAM	Amateur radio operator
1644	HANS	Head And Neck Support (device used in many race cars)
1645	HARM	High-speed Anti-Radiation Missile
1646	HAW	Heavy Antitank Weapon
1647	HAWK	Homing All the Way Killer (air defence system)
1648	HAZ	Heat-Affected Zone
1649	HAZMAT	Hazardous Materials
1650	HBCD	HexaBromoCycloDodecane
1651	HBO	Home Box Office
1652	HBR	Harvard Business Review
1653	HBT	Heterojunction Bipolar Transistor
1654	HBV	Hepatitis B Virus
1655	HCCI	Homogeneous Charge Compression Ignition
1656	HCF	Highest Common Factor
1657	HCSC	Higher Command and Staff Course
1658	HDL	High-Density Lipoprotein
1659	HDM	Human Decision-Making
1660	HDRA	Henry Doubleday Research Association
1661	He	Helium
1662	HE	High Explosive
1663	HEAT	High Explosive Anti-Tank (ammunition)
1664	HEBA	Hellenic Basketball Clubs Association
1665	HEER	High-Explosive Extended Range (ammunition)
1666	HEIC	Honourable East India Company
1667	HEMP	High-Altitude Electromagnetic Pulse
1668	HEOSS	High Earth Orbit Space Surveillance
1669	HEP	High-Explosive Plastic (ammunition)
1670	HEPA	High-Efficiency Particulate Air (filter)
1671	HESV	Heavy Engineering Support Vehicle
1672	HETT	Heavy Equipment Transporting Truck / Heavy Equipment Truck Tractor
1673	HEU	Highly Enriched Uranium
1674	Hf	Hafnium
1675	HF	High Frequency
1676	HFE	Human Fertilisation and Embryology (UK Act)
1677	HFE	The common-emitter current gain in a BJT transistor (also represented by βF). See: BJT
1678	HFEA	Human Fertilisation and Embryology Authority (UK)
1679	Hg	Mercury (Latin Hydrargyrum)
1680	HGC	UK Human Genetics Commission
1681	HGF	Human Growth Factor
1682	HGTV	Home & Garden Television
1683	HI	Hawaii (postal symbol)
1684	HIH	His (or Her) Imperial Highness
1685	HIM	His (or Her) Imperial Majesty
1686	HIMAD	High to Medium Altitude Air Defence (see also H/MAD)
1687	HIMEZ	High Altitude Missile Engagement Zone
1688	HIMYM	How I Met Your Mother
1689	HIPAA	U.S. Health Insurance Portability and Accountability Act
1690	Hipparcos	HIgh Precision Parallax COllecting Satellite
1691	Hird	Hurd of interfaces representing depth (cf. HURD)
1692	HiRISE	High Resolution Imaging Science Experiment
1693	HIT	Health Information Technology
1694	HIV	Human Immunodeficiency Virus
1695	HIWT	Hobart Institute of Welding Technology
1696	HJD	Heliocentric Julian Day
1697	HK	Hong Kong (ISO 3166 digram)
1698	HKG	Hong Kong (ISO 3166 trigram)
1699	HKS	HyperKinetic Syndrome
1700	hL	Hectolitre
1701	HL	Holding Line
1702	HLL	High-Level Language
1703	HLN	Headline News
1704	HLOS	High Level Output Specification
1705	HM	Heard Island and McDonald Islands (ISO 3166 digram)
1706	HMCE	Her/His Majesty's Customs and Excise (former UK government department; succeeded by HM Revenue and Customs)
1707	HMD	Heard and McDonald Islands (ISO 3166 trigram)
1708	HMF	HydroxyMethyl Furfural
1709	HMO	Health maintenance organization
1710	HMP	Her Majesty's Prison
1711	HMRC	Her/His Majesty's Revenue and Customs
1712	HMSO	Her Majesty's Stationery Office
1713	HMV	His Master's Voice
1714	HN	Honduras (ISO 3166 digram)
1715	HND	Honduras (ISO 3166 trigram)
1716	Ho	Holmium
1717	HOLLAND	Hope Our Love Lasts And Never Dies
1718	HOSTAC	Helicopter Operations from Ships Other Than Aircraft Carriers
1719	HOT	Highly Optimised Tolerance
1720	HOTAS	Hands on throttle-and-stick
1721	HOV	High Occupancy Vehicle
1722	hp	horse power
1723	HPA	UK Health Protection Agency
1724	HPCL	Hindustan Petroleum Corporation Limited
1725	HPLC	High Performance Liquid Chromatography
1726	HPT	High[er] Payoff Target
1727	HPV	Human Papilloma Virus
1728	HQ	HeadQuarters
1729	HRBL	High-level Representation of Behavior Language (original name of the Herbal language)
1730	HRD	Human Resource Development
1731	HRF	High iness Forces
1732	HRH	His (or Her) Royal Highness
1733	HRM	His (or Her) Royal Majesty
1734	HRM	Human Resource Management
1735	HRT	Hormone Replacement Therapy
1736	Hs	Hassium
1737	HSBC	The Hong Kong and Shanghai Banking Corporation
1738	HSC	Higher School Certificate
1739	HSM	High School Musical
1740	HSMAD	Human Science/Modeling and Analysis Data
1741	HSN	Home Shopping Network
1742	HSPH	Harvard School of Public Health
1743	HSSI	High-Speed Serial Interface
1744	HST	see entry
1745	HTA	HyperText Application
1746	HTFU	Harden The Fuck Up
1747	HTH	Hope That Helps
1748	HTI	Haiti (ISO 3166 trigram)
1749	HTR	Heated Towel Rail
1750	HTS	High-Temperature Superconducting wire
1751	HTTP	HyperText Transfer Protocol
1752	HU	Hungary (ISO 3166 digram)
1753	HUHA	Head up his/her ass (Marine salute; probably a backcronym)
1754	HUN	Hungary (ISO 3166 trigram)
1755	HURD	Hird of Unix-Replacing Daemons (cf. Hird)
1756	HV	Upper Volta (ISO 3166 digram; obsolete 1984)
1757	HVAP	High Velocity Armour Piercing (ammunition)
1758	HVHF	High velocity human factors
1759	HVM	High Velocity Missile
1760	HVO	Upper Volta (ISO 3166 trigram; obsolete 1984)
1761	HWM	Hardware morphing (computer graphics rendering)
1762	HXB	The glycoprotein Tenascian C
1763	HZ	Haze (METAR Code)
1764	Hz	Hertz
1765	IA	Iowa (postal symbol)
1766	IAAL	I Am A Lawyer
1767	IAB	International Association for Biologicals
1768	IAD	Ion Assisted Deposition
1769	IADS	Integrated Air Defence System
1770	IAEA	International Atomic Energy Agency
1771	IAF	{i} Industrial Areas Foundation
1772	IAFG	Information Assurance Focus Group
1773	IANA	Internet Assigned Numbers Authority
1774	IANAL	I Am Not A Lawyer
1775	IAS	Image Assessment System
1776	IASIP	It's Always Sunny in Philadelphia
1777	IATA	International Air Transport Association
1778	IATF	International Automotive Task Force
1779	IATSE	International Alliance of Theatrical Stage Employees
1780	IAUC	International Astronomical Union Circular
1781	IAW	In Accordance With
1782	IB	International Baccalaureate
1783	IBA	Important Bird Area
1784	IBD	Inflammatory Bowel Disease
1785	IBDM	Information Based Decision Making
1786	IBM	International Business Machines
1787	IBRD	International Bank for Reconstruction and Development (part of the World Bank)
1788	IBS	Irritable Bowel Syndrome
1789	IC	Ice Crystals (METAR Code),Integrated Circuit,[inner circle]
1790	ICANN	Internet Corporation for Assigned Names and Numbers
1791	ICAO	International Civil Aviation Organization
1792	ICBM	Intercontinental Ballistic Missile
1793	ICBN	International Code of Botanical Nomenclature
1794	ICE	In case of emergency, Immigration and Customs Enforcement
1795	ICES	International Council for the Exploration of the Sea
1796	ICF	Intelligent Community Forum
1797	ICMP	Internet Control Message Protocol
1798	ICNAF	International Commission for the Northwest Atlantic Fisheries (became NAFO in 1978)
1799	ICO	Intermediate Circular Orbit
1800	ICPE	International Conference on Pharmacoepidemiology,the annual conference of the International Society for Pharmacoepidemiology
1801	ICRAF	International Centre for Research in Agroforestry (a.k.a. World Agroforestry Centre since 2002)
1802	ICRISAT	International Crops Research Institute for the Semi-Arid Tropics
1803	ICRL	Individual Component Repair List
1804	ICRS	International Celestial Reference System
1805	ICSI	Intracytoplasmic Sperm Injection
1806	ICT	Information and communication technologies
1807	ICTH	Island Closest to Heaven/Hell Final Fantasy VIII
1808	ICV	Infantry Carrier Vehicle
1809	ICYMI	In Case You Missed It
1810	ID	Idaho (postal symbol),Identity,Indonesia (ISO 3166 digram),Infantry Division,Intelligent Design,ID10T Error,Idiot User Error (IT help desk inside joke)
1811	IDC	International Data Corporation
1812	IDDI	I don't do initialisms (see irony)
1813	IDGAF	I don't give a fuck
1814	IDK	I don't know
1815	IDL	Interface Definition Language
1816	IDN	Indonesia (ISO 3166 trigram)
1817	IEA	International Energy Agency
1818	IEC	International Electrotechnical Commission
1819	IED	Improvised Explosive Device
1820	IELTS	International English Language Testing System
1821	IER	Information Exchange Requirement
1822	IET	Initial Entry Training
1823	IET	Institution of Engineering and Technology
1824	IETF	Internet Engineering Task Force
1825	IEW	Intelligence and Electronic Warfare
1826	IFAB	International Football Association Board
1827	IFAH	International Federation for Animal Health
1828	IFAP	International Federation of Agricultural Producers
1829	IFO	Identified Flying Object (see also UFO)
1830	IFOV	Instantaneous Field of View
1831	IFPI	International Federation of Phonographic Industries
1832	IFRB	International Frequency Registration Board
1833	IFV	Infantry Fighting Vehicle
1834	IG	Inspector General
1835	IGNOU	Indira Gandhi National Open University
1836	IGS	International Ground Station
1837	IHH	Idiopathic Hypogonadotropic Hypogonadism
1838	IHO	International Hydrographic Organization
1839	IHR	Institute for Historical Review
1840	IHSI	Institutum Historicum Societatis Iesu (Jesuit Historical Institute)
1841	II	Two (in Roman numerals)
1842	IICA	Inter-American Institute for Cooperation on Agriculture
1843	IIE	Innovative Interstellar Explorer
1844	III	Three (in Roman numerals)
1845	IIRC	If I Recall/Remember Correctly
1846	IISS	International Institute for Strategic Studies
1847	IJN	Imperial Japanese Navy (World War II)
1848	IJWP	Interim Joint Warfare Publication
1849	ILDS	Improved Landmine Detection System
1850	ILO	International Labour Organization
1851	ILRI	International Livestock Research Institute
1852	ILY	I Love You [pronounced ILL-LEE]
1853	IM	Instant Message (internet speech)
1854	IMBD	International Migratory Bird Day
1855	IMDb	Internet Movie Database
1856	IME	In My Experience
1857	IMHO	In My Humble/Honest Opinion
1858	IML	International Mister Leather
1859	IMNSHO	In My Not So Humble Opinion
1860	IMPAC	International Merchant Purchase Authorization Card
1861	IMPACT	International Medical Products Anti-Counterfeiting Taskforce
1862	IMPATT	IMPact Avalanche Transit Time diode
1863	IMPT	Institute of Maxillofacial Prosthetists and Technologists
1864	IMRL	Individual Material iness List
1865	IMRO-Internal Macedonian Revolutionary Organization	Irish Music Rights Organisation
1866	IMsL	International Ms. Leather
1867	IMT	Integrated Management Tool
1868	IMU	International Mathematical Union
1869	IN	India (ISO 3166 digram),Indiana (postal symbol),Infantry
1870	In	Indium
1871	INA	Immigration and Nationality Act
1872	INAS	International Near-Earth Asteroid Survey
1873	INCITS	InterNational Committee for Information Technology Standards
1874	IND	India (ISO 3166 trigram)
1875	INDIGO	(U.S.) INtelligence DIvision Gaming Operation
1876	inet	the Internet
1877	INFORMS	(U.S.) Institute for Operations Research and the Management Sciences
1878	INFOSEC	Information Security
1879	INLA	Irish National Liberation Army
1880	INMARSAT	International Maritime Satellite organization
1881	INRIA	Institut national de recherche en informatique et en automatique
1882	INS	Immigration and Naturalization Service
1883	InSAR	Interferometric synthetic aperture radar
1884	INST	Information Standards and Technology
1885	INTERFET	International Force for East Timor
1886	INTSUM	Intelligence Summary
1887	IO	British Indian Ocean Territory (ISO 3166 digram)
1888	IOT	British Indian Ocean Territory (ISO 3166 trigram)
1889	IPB	Intelligence Preparation of the Battlefield
1890	IPL	Inferior Parietal Lobule
1891	IPO	Initial Public Offering
1892	IPT	Integrated Product/Project Team
1893	IPTS	Institute for Prospective Technological Studies
1894	IPTV	Internet Protocol TeleVision
1895	IPW	Interrogation of Prisoners of War
1896	Ir	Iridium
1897	IRAD	Internal Research and Development
1898	IRAN	(I) Inspect and Repair As Necessary
1899	IRAS	Infrared Astronomical Satellite
1900	IRB	International Rugby Board
1901	IRBM	Intermediate Range Ballistic Missile
1902	IREA	Intermountain Rural Electric Association
1903	IRINN	Islamic Republic of Iran News Network
1904	IRL	Ireland (ISO 3166 trigram),Industrial Research Limited,Indy Racing League,In real life
1905	IRN	Iran (ISO 3166 trigram)
1906	IRO	International Refugee Organisation
1907	IRQ	Iraq (ISO 3166 trigram)
1908	IRS	U.S. Internal Revenue Service
1909	IRST	Infra-red Search and Track
1910	IS	Islamic State, or: Iceland (ISO 3166 digram)
1911	ISAAA	International Service for the Acquisition of Agri-biotech Applications
1912	ISAR	Inverse SAR (Synthetic Aperture Radar)
1913	ISB	Intermediate Staging Base
1914	ISBN	International Standard Book Number (ISO 2108)
1915	ISCCP	International Satellite Cloud Climatology Project
1916	ISCII	Indian Standard Code for Information Interchange
1917	ISDN	Integrated Services Digital Network
1918	ISEF	Intel International Science and Engineering Fair
1919	ISEN	Internet Search Environment Number
1920	ISF	Internal Security Force
1921	ISIL	Islamic State of Iraq and the Levant
1922	ISIS	Islamic State of Iraq and Syria, or: Institute for Science and International Security
1923	ISL	Iceland (ISO 3166 trigram)
1924	ISLN	International Standard Lawyer Number (used initially by LexisNexis Martindale-Hubbell)
1925	ISMB	International Society of Matrix Biologists
1926	ISMC	Intelligent Sounding Meaningless Conversation
1927	ISOGP	Indian Society of Orthodontics for General Practitioners [2]
1928	ISPE	International Society for Pharmacoepidemiology
1929	ISR	Intelligence,Surveillance and Reconnaissance, or: Israel (ISO 3166 trigram)
1930	ISRO	Indian Space Research Organisation
1931	ISSCR	International Society for Stem Cell Research
1932	ISSN	International standard serial number (ISO 3297)
1933	ISTC	Institute of Scientific and Technical Communications (UK)
1934	ISTS	Intel Science Talent Search
1935	ITA	Italy (ISO 3166 trigram)
1936	ITAG	Inertial Terrain-Aided Guidance
1937	ITALY	I'll Truly Always Love You
1938	ITAS	Improved Target Acquisition Sight
1939	ITC	InferoTemporal Cortex (neurophysiology)
1940	ITCZ	Intertropical Convergence Zone
1941	ITEC	Information Technology Exposition & Conference
1942	ITEMS	Interactive Tactical Environment Management System
1943	ITER	International Thermonuclear Experimental Reactor
1944	ITF	International Tennis Federation
1945	ITK	In The Know
1946	ITN	Independent Television News (British)
1947	ITT	International Telephone and Telegraph (U.S.)
1948	ITTO	International Tropical Timber Organization
1949	IUCN	International Union for the Conservation of Nature and Natural Resources (World Conservation Union)
1950	IV	Four (in Roman numerals),IntraVenous (as in intravenous drip or intravenous therapy)
1951	Iveco	Industrial Vehicles Corporation
1952	IVF	In Vitro Fertilisation
1953	IVI	Interchangeable Virtual Instrument
1954	IVIS	Inter-Vehicle Information System
1955	IVL	Inter-Visibility Line
1956	IVM	In Vitro [Oocyte] Maturation
1957	IVO	In Vicinity Of
1958	IW	Information Warfare
1959	IWARS	Infantry Warrior Simulation
1960	IWC	International Whaling Commission
1961	IWW	Industrial Workers of the World
1962	IX	Nine (in Roman numerals)
1963	IXT	IntraText digital library; IntraText lexical hypertext
1964	J	Joule
1965	J1	Joint [Manpower &] Personnel Directorate
1966	J2	Joint Intelligence Directorate
1967	J3	Joint Operations Directorate
1968	J4	Joint Logistics Directorate
1969	J5	Joint Strategic Plans & Policy Directorate
1970	J7	Joint Operational Plans & Interoperability Directorate
1971	JAFT	Just A Field Test
1972	JAL	Japan Airlines
1973	JALLC	Joint Analysis and Lessons Learned Centre (NATO)
1974	JAM	Jamaica (ISO 3166 trigram)
1975	JAMA	Journal of the American Medical Association
1976	JANET	Joint Academic Network
1977	JATO	Jet-Assisted Take-Off
1978	JB	Jail Bait
1979	JB	Junior Branch
1980	JBFSA	Joint Blue Force Situational Awareness
1981	JCDB	Joint Common Data Base
1982	JCDS	Joint Chiefs of the Defence Staff
1983	JCIDS	Joint Capabilities Integration and Development System
1984	JCL	Job Control Language
1985	JCP	Java Community Process
1986	JCS	Joint Chiefs of Staff
1987	JCW	Juggalo Championship Wrestling
1988	JDBC	Java Data Base Connectivity
1989	JDEM	Joint Dark Energy Mission
1990	JDL	Jewish Defense League
1991	JEFX	Joint Expeditionary Force eXperiment
1992	JET	Joint European Torus
1993	JEZ	Joint Engagement Zone
1994	JFACC	Joint Force Air Component Commander
1995	JFACTSU	U.S. Joint Forward Air Control Training and Standards Unit
1996	JFC	Joint Force Commander
1997	JFK	John Fitzgerald Kennedy or the airport named after him.
1998	JFLCC	Joint Force Land Component Commander
1999	JFMCC	Joint Force Maritime Component Commander
2000	JFO	Journal of Field Ornithology
2001	JFSOCC	Joint Force Special Operations Component Commander
2002	JFTX	Joint Field Training Exercise
2003	JH	Japan Highway Public Corporation
2004	JH	Jharkhand (Indian state code)
2005	JI	Joint Implementation
2006	JIB	Joint Information Bureau
2007	JIC	Joint Intelligence Centre
2008	JINI	Java Intelligent Network Infrastructure
2009	JITC	Joint Interoperability Test Command
2010	JIVE	Joint Institute for VLBI (Very Long Baseline Interferometry) in Europe
2011	JJAP	Japanese Journal of Applied Physics
2012	JL	Japan Airlines (IATA airline designator)
2013	JLA	Justice League of America
2014	JM	Jamaica (ISO 3166 digram)
2015	JMS	Java Message Service
2016	JO	Jordan (ISO 3166 digram)
2017	JOA	Joint Operations Area
2018	JOPES	Joint Operations Planning and Execution System
2019	JOR	Jordan (ISO 3166 trigram)
2020	JOTS	Joint Operations Tactical System
2021	JPL	Jet Propulsion Laboratory
2022	JPN	Japan (ISO 3166 trigram)
2023	JPOW	Joint Project Optic Windmill
2024	JRDF	Joint Rapid Deployment Forces
2025	JRE	Java Runtime Environment
2026	JREF	James Randi Educational Foundation
2027	JROC	Joint Requirements Oversight Council
2028	JROCM	JROC Memorandum
2029	JRRF	Joint Rapid Reaction Force
2030	JRSAI	Journal of the Royal Society of Antiquaries of Ireland
2031	JSAP	Japan Society of Applied Physics
2032	JSCSC	Joint Services Command and Staff College
2033	JSEAD	Joint Suppression of Enemy Air Defence (see SEAD)
2034	JSF	Joint Strike Fighter
2035	JSIMS	Joint Simulation System
2036	JSOA	Joint Special Operations Area
2037	JSOTF	Joint Special Operations Task Force
2038	JSP	JavaServer Page
2039	JSP	Joint Services Publication
2040	JSR	Java Specification Request
2041	JSS	Joint Support Ship Project
2042	JTC	Joint Training Confederation
2043	JTF	Joint Task Force
2044	JTFEX	Joint Task Force Exercise
2045	JTLS	Joint Theater Level Simulation
2046	JTMD	Joint Theatre Missile Defence
2047	JTN	Johnston Atoll (ISO 3166 trigram; obsolete 1986)
2048	JUGFET	JUnction Gate Field-Effect Transistor
2049	JUICE	JUpiter ICy Moon Explorer
2050	JUO	Joint Urban Operations
2051	JV	Joint Venture,Junior Varsity
2052	JW	Jehovah's Witnesses
2053	JWARS	Joint Warfare System (simulation)
2054	JWP	Joint Warfare Publication
2055	JY	Japanese Yen
2056	JZ	Joint Zone
2057	K	Kelvin,Potassium (Latin Kalium),Tanker (aircraft designation code)
2058	k	Kilo-
2059	K	picokelvin
2060	K9	Canine Police Unit
2061	Ka	Kamov Design Bureau
2062	kA	Kiloampere
2063	KA	Knowledge Acquisition,Karnataka (Indian state code)
2064	KAF	Kandahar Air Field
2065	KANUKOKA	Kalaallit Nunaanni Kommunit Kattuffiannit (Kalaallisut, Greenlandic Communities Association
2066	KARNAC	Knowledge Aided Retrieval in Activity Context
2067	KARR	Knight Automated Roving Robot (Knight Rider character)
2068	KATUSA	Korean Augmentation To United States Army
2069	KAZ	Kazakhstan (ISO 3166 trigram)
2070	KBE	Knight Commander of the Order of the British Empire
2071	KBO	Kuiper Belt Object
2072	KBVB	Koninklijke Belgische Voetbalbond (Dutch for Royal Belgian Football Association)
2073	kC	Kilocoulomb
2074	KCK	Kansas City,Kansas,Koma Civakên Kurdistan (Kurdish, Union of Communities in Kurdistan)
2075	KCL	King's College London
2076	KCMO	Kansas City,Missouri (pronounced: K-C-Moe)
2077	KCS	Kansas City Southern Railway (AAR reporting mark)
2078	KD	Kawasaki Disease,Kraft Dinner
2079	KE	Kenya (ISO 3166 digram),Kinetic Energy,Knowledge Engineering
2080	KEDO	Korean Peninsula Energy Development Organization
2081	KEN	Kenya (ISO 3166 trigram)
2082	KERA	Kentucky Education Reform Act (of 1990)
2083	kerma	Kinetic Energy Released in MAterial / in MAtter / per unit MAss
2084	KESR	Kent and East Sussex Railway.
2085	KET	Kentucky Educational Television,Key English Test
2086	kF	Kilofarad
2087	KFC	Kentucky Fried Chicken
2088	KFOR	UN Kosovo Force
2089	KFUPM	King Fahd University of Petroleum & Minerals
2090	KG	Kyrgyzstan (ISO 3166 digram)
2091	KGO	Knight of the Guelphic Order of Hanover
2092	KGZ	Kyrgyzstan (ISO 3166 trigram)
2093	KH	Cambodia (ISO 3166 digram)
2094	kH	Kilohenry
2095	KHL	Kontinental Hockey League
2096	KHM	Cambodia (ISO 3166 trigram)
2097	KHz	Kilohertz
2098	Ki	Kibi
2099	KI	Kiribati (ISO 3166 digram)
2100	KIA	Killed In Action
2101	KIDS	Knowledge-based Integrated Design System
2102	KIR	Kiribati (ISO 3166 trigram)
2103	KISS	Keep It Simple,Stupid / Keep It Short and Simple,Korean Intelligence Support System
2104	KIT	Keep In Touch
2105	KITECH	Korean Institute of Industrial Technology
2106	KITT	Knight Industries Two Thousand, Knight Industries Three Thousand
2107	kJ	Kilojoule
2108	kK	Kilokelvin
2109	KKK	Ku Klux Klan
2110	kL	Kilolitre
2111	KLENOT	KLEť Observatory Near Earth and Other unusual objects observations Team and Telescope
2112	KLOC	Kilo Lines Of Code
2113	KM	Comoros,Knowledge Management
2114	kN	Kilonewton
2115	KNA	Saint Kitts and Nevis (ISO 3166 trigram)
2116	KNVB	Koninklijke Nederlandse Voetbal Bond (Dutch for Royal Dutch Football Association)
2117	KO	Knocked Out
2118	KOR	Republic of Korea (ISO 3166 trigram)
2119	KP	Kim Possible
2120	KPMG	Klynveld,Peat,Marwick,Goerdeler
2121	KPNO	Kitt Peak National Observatory
2122	KQ	Kenya Airways (IATA airline designator)
2123	KR	Kiribati (FIPS 10-4 country code), Republic of Korea (ISO 3166 digram)
2124	Kr	Krypton
2125	KS	Kansas (postal symbol)
2126	kS	Kilosiemens
2127	KSC	Kennedy Space Center
2128	KSI	Killed or Seriously Injured
2129	KSU	Kansas State University
2130	KT	Knight of the Order of the Thistle, Knights Templar
2131	kT	Kilotesla
2132	KTS	Knight of the Tower and Sword (of Portugal)
2133	KUW	Kuwait (UNDP country code,IOC and FIFA trigram,but not ISO 3166)
2134	kV	Kilovolt
2135	KV	Kosovo
2136	kW	Kilowatt
2137	KW	Kuwait (ISO 3166 digram)
2138	KWB	Kids' WB!
2139	KWT	Kuwait (ISO 3166 trigram)
2140	KX	Cayman Airways (IATA airline designator)
2141	KY	Cayman Islands (ISO 3166 digram), Kentucky (postal symbol)
2142	KZ	Kazakhstan (ISO 3166 digram)
2143	KZN	KwaZulu-Natal
2144	La	Lanthanum
2145	LA	Laos (ISO 3166 digram), Louisiana (postal symbol), Los Angeles
2146	LAAS	Local Area Augmentation System, Los Angeles Astronomical Society
2147	LAB	Logistics Assault Base
2148	LabVIEW	Laboratory Virtual Instrumentation Engineering Workbench
2149	LACMA	Los Angeles County Museum of Art
2150	LAD	Laser Aiming Device
2151	LADW	Local Air Defence Warning
2152	LAESI	Local Authority & Emergency Service Information
2153	LANL	Los Alamos National Laboratory
2154	LAO	Laos (ISO 3166 trigram)
2155	LAR	Light Armoured Reconnaissance, Logistics Assistance Representative
2156	LARC	Livermore Advanced Research Computer (cf. LLNL)
2157	LARP	Live-Action Role-Playing
2158	Laser	Light Amplification by Stimulated Emission of Radiation (cf. Maser)
2159	LAT	Lowest Astronomical Tide (nautical charts),Licensed Athletic Trainer (used in many of the United States; see www.oata.org)
2160	LATA	Local Access Transport Area
2161	LATCH	Lower Anchors and Tethers for Children (U.S. standard for attachment points for child safety seats in passenger cars)
2162	LAV	Land Assault Vehicle, Light Armoured Vehicle, Lymphadenopathy-Associated Virus
2163	LAW	Light Antitank Weapon
2164	LAX	Los Angeles International Airport, The Latin American Xchange (professional wrestling)
2165	LB	Lebanon (ISO 3166 digram)
2166	LBH	Light Battlefield Helicopter, Lyman-Birge-Hopfield bands
2167	LBJ	Lady Bird Johnson,LeBron James,Light Bulb Joke,Little Beagle Johnson (the dog owned by Lyndon and Lady Bird Johnson),Lyndon Baines Johnson
2168	LBN	Lebanon (ISO 3166 trigram)
2169	LBNL	Lawrence Berkeley National Laboratory
2170	LBR	Liberia (ISO 3166 trigram)
2171	LBS	Location-Based Services
2172	LBT	Large Binocular Telescope
2173	LBW	Leg Before Wicket
2174	LBY	Libya (ISO 3166 trigram)
2175	LCA	Saint Lucia (ISO 3166 trigram)
2176	LCC	Land Component Commander
2177	LCCP	Light Contingency Communications Package
2178	LCD	Liquid Crystal Display
2179	LCM	Least/Lowest Common Multiple
2180	LCS	League of Legends Championship Series
2181	LDA	Lateral Drift Apparatus (paratroops)
2182	LDC	Lesser Developing/Developed Country
2183	LDL	Low-Density Lipoprotein
2184	LDV	Local Defence Volunteers (British Home Guard)
2185	LDW	Lane Departure Warning (ADAS)
2186	LEC	Local Exchange Carrier
2187	LED	Light-Emitting Diode
2188	LEGAD	Legal Advice
2189	Legs	level emotion gad speed
2190	LEMOSS	Long-Endurance MObile Submarine Simulator
2191	LEN	Large Extension Node
2192	LEP	Large Electron-Positron collider
2193	LER	Loss-Exchange Ratio
2194	LEU	Low-Enriched Uranium
2195	LF	Low Frequency
2196	LFO	Low Frequency Oscillation / Oscillator
2197	LFTR	Liquid fluoride thorium reactor
2198	LGB	Lesbian,Gay,Bisexual
2199	LGBT	Lesbian,Gay,Bisexual,Transgender
2200	LGBTQ	Lesbian,Gay,Bisexual,Transgender,Queer
2201	LGLO	Love God,Love Others
2202	LGM	Little Green Men
2203	LGS	Landsat Ground Station
2204	LH	Luteinising Hormone
2205	LHC	Large Hadron Collider
2206	LHS	Left Hand Side
2207	LI	Fifty-one (in Roman numerals),Liechtenstein (ISO 3166 digram)
2208	Li	Lithium
2209	LIBOR	London Interbank Offered Rate
2210	LIBS	Laser Induced Breakdown Spectroscopy
2211	LIE	Liechtenstein (ISO 3166 trigram)
2212	LIGO	Laser Interferometer Gravitational-Wave Observatory
2213	LINEAR	Lincoln Near-Earth Asteroid Research
2214	LISA	Laser Interferometer Space Antenna
2215	LIVE	Liquid Inertial Vibration Eliminator
2216	LJJ	Lord Justices of Appeal
2217	LK	Sri Lanka (ISO 3166 digram)
2218	LKA	Sri Lanka (ISO 3166 trigram)
2219	LKR4	Linkwitz-Riley 4th order (audio crossover type)
2220	LLAD	Low Level Air Defence
2221	LLB	Legum Baccalaureus (Latin: Bachelor of Laws)
2222	LLC	Limited Liability Company
2223	LLLTV	Low-Light Level Television
2224	LLNL	Lawrence Livermore National Laboratory
2225	LLP	Limited Liability Partnership
2226	LLTR	Low-Level Transit Route
2227	LMAO	Laughing My Ass Off (Internet shorthand)
2228	LMB	Lick My Balls
2229	LMFAO	Laughing My F**king Ass Off (Internet shorthand,electro-hop duo)
2230	LMN	Lifetime Movie Network
2231	LMS	Like My Status (Internet shorthand)
2232	LMV	() Light Motor Vehicle
2233	LNER	London and North Eastern Railway
2234	LNG	Liquefied Natural Gas
2235	LNO	Liaison Officer
2236	LNR	Ligue Nationale de Rugby (French for: 'National Rugby League')
2237	LOA	Limit Of Advance
2238	LOC	Level of Operational Capability, Limited Operational Capability
2239	LOD	Limit of Detection,see Detection limit
2240	LoD	Lines of Development (UK)
2241	LOE	Level of Effort
2242	LOFAR	Low Frequency Analysis and Recording
2243	LOGPAC	Logistics Package
2244	LOL	Laughing Out Loud (Internet shorthand)
2245	LOMEZ	Low Altitude Missile Engagement Zone
2246	LONEOS	Lowell Observatory Near-Earth-Object Search
2247	LOOGY	Lefty One-Out GuY,a sometimes pejorative nickname for the left-handed specialist in baseball
2248	LORTID	LOng Range Target IDentification
2249	LOS	Line Of Sight
2250	LOSAT	Line-Of-Sight Anti-Tank (missile)
2251	LOTA	Licentiate of the Orthodontic Technicians Association
2252	LOTIS	Livermore Optical Transient Imaging System
2253	LOTS	Logistics Over-The-Shore
2254	LP	Linkin Park,Linkup Point,Listening Post,Long Playing record,Louisiana Pacific (cf. LP Field)
2255	LPC	Linear Predictive Coding
2256	LPD	Landing Platform Dock (Navy hull classification),Low Probability of Detection
2257	LPG	Liquefied Petroleum Gas (cf. LNG)
2258	LPI	Low Probability of Intercept
2259	LPS	Landsat Processing System,LipoPolySaccharide
2260	Lr	Lawrencium
2261	LR	Liberia (ISO 3166 digram)
2262	LRC	Logistics iness Center
2263	LRGW	Long-Range Guided Weapon
2264	LRICBM	Limited Range ICBM
2265	LRIP	Low Rate Initial Production
2266	LRP	Logistics Release Point
2267	LRPE	Long-Range Planning Element
2268	LRS	Long Range Surveillance
2269	LRU	Line-Replaceable Unit
2270	LSAT	Law School Admission Test (often pronounced as 'el-SAT')
2271	LSI	Large-Scale Integration
2272	LSIF	Labour Sponsored Investment Fund
2273	LSND	Liquid Scintillator Neutrino Detector
2274	LSO	Lesotho (ISO 3166 trigram)
2275	LSST	Large Synoptic Survey Telescope
2276	LST	Landing Ship,Tank (World War II; also known,not entirely affectionately,as 'Large Slow Target')
2277	LSVW	Light Support Vehicle,Wheeled
2278	LT	Lithuania (ISO 3166 digram)
2279	Lt	Lieutenant
2280	LtC	Lieutenant-Colonel (U.S.)
2281	LTC	Long-Term Costing
2282	Ltd	Limited
2283	LTDP	Long-Term Defence Plan
2284	LTG	Lieutenant General,Lightning (METAR Code)
2285	LTI	Linear Time-Invariant
2286	LTM	Acronym for Laughing To Myself
2287	LTP	Long-Term Potentiation
2288	LTU	Lithuania (ISO 3166 trigram)
2289	LU	Acronym Love You
2290	LU	Loonatics Unleashed
2291	Lu	Lutetium
2292	LUCA	Last Universal Common Ancestor
2293	LUG	Linux User Group
2294	LULU	Locally Unwanted Land Use (urbanism)
2295	LUT	Limited User Test (ing),Local User Terminal
2296	LUVW	Light Utility Vehicle,Wheeled
2297	LUX	Luxembourg (ISO 3166 trigram)
2298	LV	Las Vegas,Latvia (ISO 3166 digram),Launch Vehicle,Leading Vehicle,Leave,Left Ventricle,Level Valve,Linking Verb,Liverpool Victoria
2299	LVA	Latvia (ISO 3166 trigram)
2300	LVAD	Left Ventricular Assist Device,Low-Velocity Airdrop
2301	LVEF	Left Ventricular Ejection Fraction
2302	LW	Land Warrior,Low Water (nautical charts)
2303	Lw	Lawrencium (obsolete 1963)
2304	LWR	Laser warning receiver
2305	LWRC	Land Warfare Resources Corporation
2306	LWS	Land Warrior System
2307	LX	Electrics (theatrical term)
2308	LX	Luxembourg (amateur radio ITU prefix),Swiss International Air Lines (IATA code)
2309	LY	Libya (ISO 3166 digram),Lithuania (amateur radio ITU prefix)
2310	LYAO	Laugh Your Ass Off
2311	LYLAS	Love You Like A Sister
2312	LZ	Bulgaria (amateur radio ITU prefix),Landing Zone
2313	M	Mega-,One thousand (in Roman numerals)
2314	m	Metre,Milli
2315	MA	Marijuana Anonymous,Master of Arts,Massachusetts (postal symbol),Megaampere,Morocco (ISO 3166 digram)
2316	Ma	Megaannum
2317	mA	Milliampere
2318	MAA	Mathematical Association of America
2319	MAAC	Metro Atlantic Athletic Conference
2320	MACE	Multi-Agent Computing Environment
2321	MACHO	MAssive Compact Halo Object
2322	MADD	Mothers Against Drunk Driving,MyoAdenylate Deaminase Deficiency,Multiply-Add
2323	MAF	Maintenance Action Form
2324	MAGA	Make America Great Again
2325	MAGIC	Major Atmospheric Gamma-ray Imaging Cherenkov (telescope)
2326	MAGNETAR	Metaprogrammable AGent NETwork ARchitecture
2327	MAGTF	Marine Air-Ground Task Force
2328	Mahasz	Magyar Hanglemezkiadók Szövetsége (Hungarian for: 'Association of Hungarian Record Companies')
2329	MALD	Miniature Air-Launched Decoy
2330	MANPADS	MAN-Portable Air Defence System
2331	MANPRINT	MANpower and PeRsonnel INTegration
2332	MAO	Molėtų astronomijos observatorija (Moletai Astronomical Observatory),MonoAmine Oxidase
2333	MAOI	Monoamine oxidase inhibitor
2334	MAPS	Monitoring Avian Productivity and Survivorship
2335	MAR	Morocco (ISO 3166 trigram)
2336	MarBEF	Marine Biodiversity and Ecosystem Functioning
2337	MARCENT	United States Marine Forces Central Command
2338	MARFORCC	Marine Force Component Commander
2339	MASAS	Monte Agliale Supernovae and Asteroid Survey
2340	Maser	Microwave Amplification by Stimulated Emission of Radiation
2341	MASH	Mobile Army Surgical Hospital
2342	MASINT	Measurement And Signature Intelligence
2343	MAVS	Mobile Artillery Vehicle System
2344	MB	Manitoba (postal symbol),Medal of Bravery (Canada)
2345	MBA	Main Battle Area,Main Belt Asteroid,Masters of Business Administration
2346	MBBL	(U.S. Armor Center) Mounted Battlespace Battle Laboratory
2347	MBCC	Migratory Bird Conservation Commission (U.S.)
2348	MBCS	Multi-Byte Character Set
2349	MBI	Moody Bible Institute
2350	MBIDST	Member of the British Institute of Dental and Surgical Technologists
2351	MBM	Meat and Bone Meal
2352	MBT	Main Battle Tank
2353	MBTI	Myers-Briggs Type Indicator
2354	mC	Millicoulomb
2355	MCDL	Model Composition Definition Language
2356	MCFT	Modified Compression Field Theory
2357	MCG	Melbourne Cricket Ground
2358	MCIS	Mellon Collie and the Infinite Sadness
2359	MCM	Mine Counter-Measures
2360	MCMV	Mine Counter-Measure Vessel
2361	MCR	My Chemical Romance
2362	MCSF	Marine Corps Security Forces
2363	MCT	Movement Control Team
2364	MCTIS	Mounted Co-operative Target Identification System
2365	Md	Mendelevium
2366	MDNA	Madonna's 12th studio album title (2012)
2367	MDO	Membership Driven Organisation
2368	MDP	Markov Decision Process
2369	MDT	Mountain Daylight Time (UTC-6 hours)
2370	MDV	Maldives (ISO 3166 trigram)
2371	Me	Messerschmitt
2372	MEAC	Mid-Eastern Athletic Conference (ME-ac)
2373	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)
2374	MEDEVAC	Medical evacuation
2375	MEDS	Mission Essential Data Set
2376	MEG	MagnetoEncephaloGraphy
2377	MELT	Metallic Line/Loop Test (ing)
2378	MEMS	Microelectromechanical System
2379	MER	Mars Exploration Rover
2380	MERL	Mitsubishi Electric Research Laboratories
2381	MES	Manufacturing Execution Systems
2382	METAR	[Meteorological] Aviation Routine weather report
2383	METOC	Meteorological and Oceanographic
2384	MeV	Megaelectronvolt
2385	MEX	Mexico (ISO 3166 trigram)
2386	MEZ	Missile Engagement Zone
2387	MF	Megafarad
2388	mF	Millifarad
2389	MG	Machine Gun,Madagascar (ISO 3166 digram),Major General,Morris Garage
2390	MGPAM	My Gym Partner's a Monkey
2391	MGS	Mobile Gun System
2392	mH	Millihenry
2393	MHC	Major Histocompatibility Complex
2394	MHHW	Mean Higher High Water (nautical charts)
2395	MHL	Marshall Islands (ISO 3166 trigram)
2396	MHLW	Mean Higher Low Water (nautical charts)
2397	MHRA	(UK) Medicines and Healthcare products Regulatory Agency
2398	MHW	Mean High Water (nautical charts)
2399	MHWN	Mean High Water Neaps (nautical charts)
2400	MHWS	Mean High Water Springs (nautical charts)
2401	MHz	Megahertz
2402	Mi	Mebi
2403	MIA	Missing In Action
2404	MICLIC	Mine Clearing Line Charge
2405	MICOM	Missile Command
2406	MID	Midway Islands (ISO 3166 trigram; obsolete 1986)
2407	MIDAS	Man-machine Integration Design and Analysis System
2408	MIDI	Musical Instrument Digital Interface
2409	MIDS	Multi-Function Information Distribution System
2410	MIFG	Shallow Fog (METAR Code)
2411	MIKE	Monitoring of Illegal Killing of Elephants
2412	MIL	Man-In-the-Loop
2413	MILC	Mirrorless interchangeable-lens camera
2414	MILF	Mother I'd Like to Fuck
2415	MIMOSA	MIcroMeasurements Of Satellite Acceleration
2416	MIMPT	Member of the Institute of Maxillofacial Prosthetists and Technologists
2417	MIRA	MILAN Infra-Red Acquisition (thermal sight)
2418	MIRV	Multiple Independent Reentry Vehicle
2419	MISREP	Mission Report
2420	MISSI	Multilevel Information System Security Initiative
2421	MITL	Man-In-The-Loop
2422	MITS	see entry
2423	mJ	Millijoule
2424	MJD	Modified Julian Day
2425	mK	Millikelvin
2426	MKG	Michael Kidd-Gilchrist (American basketball player)
2427	MKSA	Metre-Kilogram-Second-Ampere (system of units)
2428	mL	Millilitre
2429	MLB	Major League Baseball
2430	MLC	Member of the Legislative Council (in India)
2431	MLE	Maximum likelihood estimation
2432	MLHW	Mean Lower High Water (nautical charts)
2433	MLI	Mali (ISO 3166 trigram)
2434	MLL	Major League Lacrosse
2435	MLLW	Mean Lower Low Water (nautical charts)
2436	MLP	My Little Pony
2437	MLT	Malta (ISO 3166 trigram)
2438	MLW	Mean Low Water (nautical charts)
2439	MLWN	Mean Low Water Neaps (nautical charts)
2440	MLWS	Mean Low Water Springs (nautical charts)
2441	Mm	Megametre
2442	mm	Millimetre
2443	MMEV	Multi-Mission Effects Vehicle
2444	MMI	Magical MonkeyZ Inc.
2445	MMI	Man-Machine Interface
2446	MMI	McLean Meditation Institute
2447	MMIC	McLean Meditation Institute Certified
2448	MMO	Massively Multiplayer Online (computer game)
2449	MMOR	Master of Management in Operations Research
2450	MMORPG	Massively multiplayer online role-playing game
2451	MMPR	Mighty Morphin Power Rangers
2452	MMS	Multimission Modular Spacecraft
2453	Mn	Manganese
2454	mN	Millinewton
2455	MNB	Multinational Brigade
2456	MNE	Montenegro (ISO 3166 trigram)
2457	MNMF	Multi-National Maritime Force
2458	MNP	Northern Mariana Islands (ISO 3166 trigram)
2459	MNS	Mission Needs Statement
2460	Mo	Molybdenum
2461	MOA	Museum of Art (Brigham Young University)
2462	MOCAS	Mechanization Of Contract Administration Services
2463	MoD	Ministry of Defence (United Kingdom) and various other countries
2464	modem	Modulator-Demodulator
2465	Moe	Marvel of entertainment
2466	MOE	Measure Of Effectiveness
2467	MOF	Ministry of Finance (Japan)
2468	MOFA	Ministry of Foreign Affairs (Japan)
2469	MOID	Minimum Orbital Intersection Distance
2470	MOJWA	Movement for Oneness and Jihad in West Africa
2471	MOLO	Mobile Other Licensed Operator (UK)
2472	MOM	Master's Degree in Oriental medicine
2473	MOM	Message Oriented Middleware
2474	MoM	Multiple of the median
2475	MoMA	Museum of Modern Art (NYC)
2476	MOND	Modified Newtonian Dynamics
2477	MOO	Measure Of Outcome
2478	MOPP	Mission-Oriented Protective Posture
2479	MORP	Meteorite Observation and Recovery Project
2480	MOSFET	Metal-Oxide-Semiconductor Field-Effect Transistor
2481	MOT	Ministry of Transport (UK)
2482	MOTA	Member of the Orthodontic Technicians Association
2483	MOTESS	Moving Object and Transient Event Search System
2484	MOU	Memorandum Of Understanding
2485	MOW	Maintenance of way (also MW)
2486	MOZ	Mozambique (ISO 3166 trigram)
2487	MPa	Megapascal
2488	mPa	Millipascal
2489	MPAA	Motion Picture Association of America
2490	MPEC	Minor Planet Electronic Circular
2491	MPEG	Motion Pictures (Coding) Experts Group
2492	MPEV	Multi-Purpose Engineering Vehicle
2493	MPF	Maritime Prepositioning Force
2494	MPFC	Medial PreFrontal Cortex
2495	MPG	Miles Per Gallon
2496	MPMC	Medial PreMotor Cortex
2497	MPSI	Member of the Pharmaceutical Society of Ireland
2498	MPSoC	MultiProcessor System-on-Chip
2499	MPSRON	Maritime Propositioning Ship Squadron
2500	MR	Mauritania (ISO 3166 digram)

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