PowerShell/Data/Abbr/general.csv

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

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