PowerShell/Data/Abbr/general.csv

1	Abbr,Term
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	2G,Second-generation mobile (cellular,wireless) telephone system
8	2LA,Two Letter Acronym
9	2Lt,2nd Lieutenant
10	3AM,Air Mechanic 3rd Class
11	3D,Three-Dimensional
12	3G,Third-generation mobile telephone system
13	3i,Investors In Industry (venture capitalists)
14	3M,Minnesota Mining and Manufacturing Company
15	4D,Four-Dimensional (usually three spatial plus one temporal dimension,sometimes four spatial ones)
16	4G,Fourth-generation mobile telephone system
17	4WD,Four-wheel drive
18	5D,Five-Dimensional
19	6D,Six-Dimensional
20	7D,Seven-Dimensional
21	8D,Eight-Dimensional
22	9D,Nine-Dimensional
23	A,Ampere
24	A10,Atlantic 10 Conference
25	A1C,Airman First Class
26	A4,European standard office paper size
27	AA,achieved availability,Alcoholics Anonymous,Armed Forces Americas (postal symbol),Aruba (FIPS 10-4 territory code),assembly area,Automobile Association,avenue of approach
28	aa,Afar language (ISO 639-1 code)
29	aA,Attoampere
30	AAAI,Association for the Advancement of Artificial Intelligence,formerly American Association for Artificial Intelligence
31	AAAS,American Association for the Advancement of Science
32	AAAV,Advanced Amphibious Assault Vehicle
33	AAC,American Athletic Conference,Army Air Corps (British Army)
34	AAD,analogue-analogue-digital (CD quality),Australian Antarctic Division
35	AADAC,Alberta Alcohol and Drug Abuse Commission
36	AADC,area air defense commander,amino acid decarboxylase,aromatic L-amino acid decarboxylase,Australian Antarctic Data Centre
37	AADD,Adult attention deficit disorder
38	AADT,annual average daily traffic
39	AAFC,U.S. Army Air Corps Ferrying Command (1941-1942),All-America Football Conference (1946-1949)
40	AAFES,Army and Air Force Exchange Service
41	AAIS,advanced airborne interceptor simulator
42	AAM,air-to-air missile
43	AAMOF,as a matter of fact
44	AAN,American Academy of Nursing
45	AANEAS,Anglo-Australian Near-Earth Asteroid Survey
46	AAODL,Atmospheric Aerosols and Optics Data Library
47	AAP,advanced acquisition plan,Allied administrative publication,American Academy of Pediatrics
48	AAPC,Accounting and Auditing Policy Committee
49	aar,Afar language (ISO 639-2 code)
50	AAR,after-action review,Association of American Railroads
51	AARP,(i/s) American Association of Retired Persons (now officially known only by the initials)
52	AASPEM,advanced air-to-air system performance evaluation model
53	AAT,Australian Antarctic Territory
54	AAV,Amphibious Assault Vehicle
55	AAWC,anti-air warfare commander
56	ab,Abkhaz language (ISO 639-1 code)
57	ABA,Adriatic Basketball Association,American Bar Association,American Basketball Association,American Beverage Association,American Bicycle Association,American Birding Association,Australian Broadcasting Authority
58	ABB,ASEA Brown Boveri (Swiss-Swedish multinational company)
59	ABC,the first three letters of the Latin script known as the alphabet
60	ABC,Active Body Control
61	ABC,alien big cat
62	ABC,always be careful
63	ABC,American-born Chinese
64	ABC,anti-lock brake controller
65	ABCA,American,British and Canadian Armies (originally),Army Bureau of Current Affairs
66	ABCS,(U.S.) Army Battle Command System
67	ABET,Accreditation Board for Engineering and Technology
68	ABFIST,Advanced Bradley Full Crew Interactive Skills Trainer
69	ABGI,Addington-Barker Group International
70	ABIN,Agência Brasileira de Inteligência (Brazilian Intelligence Agency)
71	abk,Abkhaz language (ISO 639-2 code)
72	ABL,American Basketball League
73	ABLE,AirBorne Law Enforcement (police air support unit)
74	ABM,anti-ballistic missile,Asynchronous Balanced Mode,automated banking machine
75	ABMC,American Battle Monuments Commission
76	ABN,Australian Business Number (a number issued by the Australian government as registration of a business and used for taxation purposes)
77	ABPI,Association of the British Pharmaceutical Industry
78	ABRSM,Associated Board of the Royal Schools of Music
79	ABSTRIPS,abstraction-based STRIPS
80	ABV,Alcohol by volume
81	ABW,Aruba (ISO 3166 trigram)
82	Ac,Actinium
83	aC,Attocoulomb
84	AC1,Aircraftman 1st Class
85	AC2,Aircraftman 2nd Class
86	ACARS,Aircraft Communications Addressing and Reporting System
87	ACAS,Aboriginal Children's Advancement Society,Advisory,Conciliation and Arbitration Service
88	ACCA,The Association of Chartered Certified Accountants,Automatic Cloud Cover Assessment
89	ACCD,American Coalition of Citizens with Disabilities
90	ACCS,Air Communications and Control Squadron
91	ACDA,Arms Control & Disarmament Agency
92	ACHT,Average Call Hold Time
93	ACINT,Acoustic Intelligence
94	ACK,Acknowledge (telecommunications; cf. NAK)
95	ACLJ,American Center for Law and Justice
96	ACLOS,Automatic CLOS (missile control system)
97	ACLS,American Council of Learned Societies
98	ACMC,(U.S.) Assistant Commandant of the Marine Corps
99	ACNA,Anglican Church in North America
100	ACO,Airspace Control Order
101	ACOBA,Advisory Committee on Business Appointments
102	ACOG,American College of Obstetricians and Gynecologists
103	ACOM,(U.S.) Atlantic Command
104	ACORN,Association of Community Organizations for Reform Now
105	ACR,Advanced Concepts and Requirements
106	ACRI,African Crisis Initiative
107	ACRT,Advanced Concepts Research Tool simulator
108	ACSC,Army Command and Staff College (various nations)
109	ACST,American Cooperative School of Tunis
110	ACST,Australian Central Standard Time
111	ACTD,Advanced Concept Technology Demonstration
112	ACTU,Australian Council of Trade Unions
113	ACU,American Conservative Union
114	ADAGE,Air Defense Air to Ground Engagement (simulation)
115	ADAP,AIDS Drug Assistance Program
116	ADAS,Asiago-DLR Asteroid Survey
117	ADAT,Alesis Digital Audio Tape (recording format)
118	ADB,Asian Development Bank
119	ADDIE,Analyze Design Develop Implement and Evaluate
120	ADDNS,Advanced Deployable Day/Night Simulation
121	ADF,Australian Defence Force,African Development Foundation
122	ADGB,Air Defence of Great Britain
123	ADHD,Attention-Deficit Hyperactivity Disorder
124	ADHS,Attention-Deficit Hyperactivity Syndrome
125	ADI,Acceptable/Allowable Daily Intake
126	ADIZ,Air Defence Identification Zone
127	ADL,Anti-Defamation League
128	ADOA,Air Defence Operations Area
129	ADRG,Arc-second Raster Chart (ARC) Digitized Raster Graphics
130	ADT,Atlantic Daylight Time (UTC−3 hours)
131	ADTB,Army Doctrine and Training Bulletin
132	ADW,Air Defence Warning
133	ae,Avestan language (ISO 639-1 code)
134	AED,United Arab Emirates dirham (ISO 4217 currency code)
135	AEDT,Australian Eastern Daylight Time
136	AEF,American Expeditionary Force
137	AEGIS,Airborne Early warning Ground environment Interface Segment (fake etymology)
138	AESR,Aeronautical Equipment Service Record
139	AEST,Australian Eastern Standard Time
140	aet,After extra time (Football)
141	af,Afrikaans language (ISO 639-1 code)
142	aF,Attofarad
143	AFAIC,As Far As I'm Concerned
144	AFAICT,As Far As I Can Tell
145	AFAIK,As Far As I Know
146	AFAIR,As Far As I Remember/Recall
147	AFATDS,Advanced Field Artillery Tactical Data System
148	AFC,American Football Conference,Asian Football Confederation
149	AFCEA,Armed Forces Communications and Electronics Association
150	AFDB,African Development Bank
151	AFES,Automatic Fire Extinguishing System
152	AFG,Afghanistan (ISO 3166 trigram)
153	AFIS,Automated Fingerprint Identification System,American Forces Information Service
154	AFIST,Abrams Full Crew Interactive Skills Trainer
155	AFJ,April Fool's Joke
156	AFK,Away From Keyboard (Internet chat abbreviation)
157	AFL,American Federation of Labor,American Football League — either the 1960s league that merged into the National Football League,or one of several other leagues of American football,Arena Football League,Australian Football League,AFL-CIO,American Federation of Labor,Congress of Industrial Organizations
158	AFLAC,American Family Life Assurance Company of Columbus
159	AFM,Army Field Manual (UK; the U.S. more frequently uses just FM),Atomic Force Microscope,Aviation Fleet Maintenance
160	AFN,Afghani (ISO 4217 currency code)
161	AFO,Association of Field Ornithologists
162	AFOSR,U.S. Air Force Office of Scientific Research
163	AFQT,Armed Forces Qualification Test
164	afr,Afrikaans language (ISO 639-2 code)
165	AFRC,Air Force Reserve Command
166	AFRL,Air Force Research Laboratory
167	AFROTC,Air Force Reserve Officer Training Corps
168	AFRRI,(i,U.S.) Armed Forces Radiobiology Research Institute
169	AFRTS,Armed Forces Radio and Television Service
170	AFS,Active Front Steering,Air Facility Sub-System,Amniotic Fluid-derived Stem cell,AFS&A or AFSA,U.S. Air Force Studies and Analysis
171	AFSC,U.S. Air Force Staff College (obsolete; replaced with JFSC),U.S. Air Force Systems Command
172	AFSCN,U.S. Air Force Satellite Control Network
173	AFSPC,Air Force Space Command
174	AFT,American Farmland Trust
175	AFV,armoured fighting vehicle
176	AFWA,Air Force Weather Agency,Association of Fish and Wildlife Agencies,AG[edit]
177	ag,Attogram
178	Ag,Silver (Latin argentum)
179	AGARD,Advisory Group for Aerospace Research and Development
180	AGARDograph,Advanced Guidance for Alliance Research and Development publication
181	AGASA,Akeno Giant Air Shower Array (cosmic ray detector)
182	AGB,Internal Nintendo initialism (Advanced Game Boy) for Game Boy Advance
183	AGC,Adjutant General's Corps (British Army)
184	AGC,Apollo Guidance Computer,Automatic Gain Control
185	AGDC,Australian Game Developers' Conference
186	AGI,Auxiliary Group Intelligence
187	AGL,Above Ground Level
188	AGM,Annual General Meeting
189	AGN,Active Galactic Nucleus
190	AGO,Angola (ISO 3166 trigram)
191	AGP,Accelerated Graphics Port
192	AGRICOLA,Agriculture Online Access
193	AGS,Alaska Ground Station (LandSat)
194	AGTS,Advanced Gunnery Training System
195	AGU,American Geophysical Union
196	AGW,Autonomous Guided Weapon
197	Ah,Ampere-hour
198	AH,Attack Helicopter
199	aH,Attohenry
200	AHA,American Heart Association
201	AHCPR,Agency for Health Care Policy and Research (obsolete; replaced with AHRQ)
202	AHEC,Australian Health Ethics Committee
203	AHPCRC,Army High Performance Computing Research Center
204	AHQ,Air Headquarters
205	AHRQ,Agency for Healthcare Research and Quality
206	AHS,American Housing Survey
207	AI,Air Interdiction,Amnesty International,Artificial Insemination,Artificial Intelligence,Anguilla (ISO 3166 digram)
208	AIA,Aerospace Industries Association,American Institute of Architects,Anguilla (ISO 3166 trigram)
209	AIAA,American Institute of Aeronautics and Astronautics
210	AIC,African Independent Church,Animal Identification Coordinator
211	AICD,Australian Institute of Company Directors
212	AICMFP,And I Claim My Five Pounds
213	AID,U.S. Agency for International Development
214	AIDS,Acquired Immune Deficiency Syndrome
215	AIM,Australian Institute of Management
216	AIMP,Aurora Incremental Modernization Project
217	AIPAC,American Israel Public Affairs Committee
218	AIR,Aircraft Inventory Record
219	AIRFA,American Indian Religious Freedom Act
220	AIRS,(a/i) Aerometric Information Retrieval System (obsolete; replaced with AFS)
221	AIS,Australian Institute of Sport,Automatic Identification System
222	AISB,(British Society for the Study of) Artificial Intelligence and the Simulation of Behaviour
223	aJ,Attojoule
224	AJ,Azerbaijan (FIPS 10-4 country code)
225	Ajax,Asynchronous JavaScript And XML
226	AJD,Astronomical Julian day
227	AJP,Allied Joint Publication
228	AJPW,All Japan Pro Wrestling
229	ak,Akan languages (ISO 639-1 code)
230	AK,Alaska (postal symbol)
231	aK,Attokelvin
232	AKA,Above knee amputation (orthopaedic usage)
233	aka,Akan languages (ISO 639-2 code)
234	AKDT,Alaska Standard Daylight Saving Time (UTC−8 hours)
235	AKST,Alaska Standard Time (UTC−9 hours)
236	Al,Aluminium
237	aL,Attolitre
238	ALA,Åland Islands (ISO 3166 trigram)
239	ALAP,As Long/Late As Possible
240	ALARM,Air-Launched Anti-Radar Missile
241	ALB,Albania (ISO 3166 trigram)
242	ALD,Accounting Line Designator (nuclear weapon targeting)
243	ALERT,Advanced Linked Extended Reconnaissance and Targeting,Attack and Launch Early Reporting to Theatre
244	ALF,Africa Leadership Forum,Alien Life Form (cf. ALF (TV series)),Animal Liberation Front
245	ALG,Algeria (IOC and FIFA trigram,but not ISO 3166)
246	ALGOL,ALGOrithmic Language
247	ALL,Albanian lek (ISO 4217 currency code)
248	ALOA,Associated Locksmiths of America,Inc.
249	ALOC,Air Lines Of Communication,Average Length of Calls
250	ALPA,Air Line Pilots Association
251	ALS,Amyotrophic Lateral Sclerosis,Automatic Landing System
252	ALSHS,Abraham Low Self-Help Systems
253	ALSP,Aggregate Level Simulation Protocol
254	ALTE,Association of Language Testers in Europe
255	Am,Americium
256	am,Amharic language (ISO 639-1 code),Attometre
257	AM-many,including Amplitude Modulation and Ante Meridiem; see entry,Armenia (FIPS 10-4 country code; ISO 3166 digram)
258	AM1,Airman 1st class
259	AMA,American Medical Association,Australian Medical Association
260	AMAPS,Aircraft,Missile,Avionics Performance Simulation
261	AMC,Adaptive modulation and coding (digital communications),U.S. Air Mobility Command,American Motors Corporation,American Movie Classics (TV network; now known simply by the initials),U.S. Army Materiel Command
262	AMCB,U.S. Army/Marine Corps Board
263	AMFR,Age-specific Marital Fertility Rate,Amplitude Modulation Following Response
264	AMFRS,Advanced Multi-Function Radio Frequency System,Automatic Multisensor Feature-based Recognition System
265	amh,Amharic language (ISO 639-2 code)
266	AML,Acute Myeloid Leukaemia
267	AMLCD,Active Matrix Liquid Crystal Display
268	AMLO,Andrés Manuel López Obrador (Mexican politician),Anti-Money Laundering Office (Thailand government agency)
269	AMO,Atlantic Multidecadal Oscillation
270	AMOLED,Active-matrix organic light-emitting diode
271	AMOS,Advanced MOrtar System,Air Force Maui Optical and Supercomputing observatory
272	AMP,Adenosine MonoPhosphate,Automated Mission Planner
273	AMRAAM,Advanced Medium-Range Air-to-Air Missile
274	AMRDEC,U.S. Aviation & Missile Research,Development,& Engineering Center
275	AMS,Agriculture Marketing Service,American Mathematical Society
276	AMSAA,U.S. Army Materiel Systems Analysis Activity
277	AMSO,U.S. Army Model and Simulation Office
278	AMSU,Advanced Microwave Sounding Unit
279	AMTE,UK Admiralty Marine Technology Establishment (1977-1984)
280	AN,Andorra (FIPS 10-4 country code),Netherlands Antilles (ISO 3166 digram)
281	an,Aragonese language (ISO 639-1 code)
282	aN,Attonewton
283	ANA,Administration for Native Americans,Afghan National Army,All Nippon Airways,Anti-Nuclear Anti-body,Australian National Airways,Australian Natives' Association
284	ANC,African National Congress
285	AND,Andorra (ISO 3166 trigram)
286	ANFO,Ammonium nitrate/fuel oil (explosive)
287	ANG,Air National Guard,Angola (IOC and FIFA trigram,but not ISO 3166),Netherlands Antillian guilder (ISO 4217 currency code)
288	ANGLiCo,Air/Naval Gunfire Liaison Company
289	ANL,Argonne National Laboratory
290	ANM,Acoustic Noise Monitor
291	ANOVA,ANalysis Of VAriance
292	ANS,Applied and Natural Sciences
293	ANSI,American National Standards Institute
294	ANT,Netherlands Antilles (ISO 3166 trigram),Antigua and Barbuda (IOC trigram,but not ISO 3166 or FIFA)
295	ANTM,America's Next Top Model
296	ANTY,Acronyms,No Thank You
297	ANWR,Arctic National Wildlife Refuge /ˈænwɑr/
298	ANZ,Australia and New Zealand Banking Group
299	ANZAC,Australian and New Zealand Army Corps
300	AO,Angola (FIPS 10-4 country code; ISO 3166 digram),Approach Officer (submarine),Area of Operations
301	AOA,Air Officer in charge of Administration,Argonne National Laboratory,Angolan kwanza (ISO 4217 currency code),Award Of Arms (heraldry)
302	AOC,Air Operations Centre,Air Officer Commanding
303	AOD,Adrenalin O.D. (punk rock band)
304	AOI,Angle Of Incidence Arab Organization for Industrialization
305	AOL,America OnLine
306	AOR,Area of Responsibility
307	AOSTH,Adventures of Sonic the Hedgehog
308	AOTS,Attack of the Show!
309	AOU,American Ornithologists' Union
310	APB,All Points Bulletin (police jargon)
311	APC,Armoured Personnel Carrier,Armour Piercing Capped (ammunition)
312	APCNR,Armour-Piercing,Composite Non-Rigid (ammunition)
313	APCR,Armour-Piercing,Composite Rigid (ammunition)
314	APDS,Armour-Piercing,Discarding-Sabot (ammunition)
315	APEC,Asia Pacific Economic Cooperation
316	APEDS,AMSAA Performance Estimates Data System
317	APEX,Applied Physics Express
318	APFSDS,Armour-Piercing,Fin-Stabilised,Discarding Sabot (ammunition)
319	APHA,American Public Health Association
320	APHE,Armour-Piercing,High Explosive (ammunition)
321	APHIS,Animal and Plant Health Inspection Service
322	APOD,Aerial Port (Airport) Of Debarkation
323	APOE,Aerial Port (Airport) Of Embarkation
324	APOLLO,Apache Point Observatory Lunar Laser-ranging Operation
325	APP,Allied Procedural Publication
326	APR,Annual Percentage Rate
327	APS,Advanced Photo System (cf. APS-C,an image sensor format based on the size of the original APS film frame),American Physical Society,Antiphospholipid Antibody Syndrome,AQ[edit]
328	AQ,AdventureQuest,American Samoa (FIPS 10-4 territory code),Antarctica (ISO 3166 digram),Automatic qualifier,a term used by U.S. sports media from 1998 to 2013 to refer to the six conferences whose champions automatically entered the now-defunct Bowl Championship Series of college football
329	AQIM,Al-Qaeda in the Islamic Maghreb
330	ar,Arabic language (ISO 639-1 code)
331	AR,Argentina (FIPS 10-4 country code; ISO 3166 digram),Arkansas (postal symbol),Armour,Arunachal Pradesh (Indian state code)
332	Ar,Argon
333	ara,Arabic language (ISO 639-2 code)
334	ARAG,Advanced Research and Assessment Group
335	ARB,Administrative Review Board
336	ARBA,(a/i) Army Review Boards Agency
337	ARC,Arc-second Raster Chart,Appalachian Regional Commission
338	ARCA,Automobile Racing Club of America
339	ARCENT,United States Army Central Command
340	ARDA,Advanced Research and Development Activity (became DTO 2006)
341	ARE,UK Admiralty Research Establishment (-1991),United Arab Emirates (ISO 3166 trigram)
342	ARF,ASEAN Regional Forum
343	arg,Aragonese language (ISO 639-2 code)
344	ARG,Argentina (ISO 3166 trigram)
345	ARH,Armed Reconnaissance Helicopter
346	ARI,Acute Respiratory Infection,U.S. Army Research Institute for the Behavioral and Social Sciences
347	ARL,UK Admiralty Research Laboratory (1921-1977),U.S. Army Research Laboratory,UIUC Aviation Research Laboratory
348	ARM,Anti-Radiation Missile,Adjustable-rate mortgage,Armenia (ISO 3166 trigram)
349	ARNet,Acquisition Reform Network
350	ARP,Applied Research Programme
351	ARPA,Advanced Research Projects Agency
352	ARRC,ACE Rapid Reaction Corps
353	ARRF,Allied Rapid Reaction Force
354	ARRL,American Radio Relay League
355	ARS,Agricultural Research Service,Argentine peso (ISO 4217 currency code)
356	ARSC,Arctic Region Supercomputing Center
357	ARSPACE,U.S. Army Space Command
358	ART,Adaptive Resonance Theory,Anti-Retroviral Therapy
359	ARTCC,Air Route Traffic Control Center
360	AS,ActionScript
361	as,Adult swim,Assamese language (ISO 639-1 code),Attosecond
362	AS,American Samoa (postal symbol; ISO 3166 digram),Australia (FIPS 10-4 country code),Assam / Asom (Indian state code)
363	As,Arsenic
364	aS,Attosiemens
365	ASA,AcetylSalicylic Acid,American Standards Association,Army Security Agency,Atlantic Southeast Airlines
366	ASAP,As Soon As Possible
367	ASARS,Advanced Synthetic Aperture Radar System,Airborne Search and Rescue System
368	ASB,Associated Student Body,Alternative Service Book (Church of England)
369	ASBO,Anti-Social Behaviour Order
370	ASCAP,American Society of Composers,Authors,and Publishers
371	ASCC,Army Service Component Commander,Automatic Sequence Controlled Calculator,Air Standardization Coordinating Committee
372	ASCII,American Standard Code for Information Interchange
373	ASD,(U.S.) Assistant Secretary of Defense,autism spectrum disorder
374	ASDIC,Allied Submarine Detection Investigation Committee (Sonar)
375	ASEAN,Association of Southeast Asian Nations
376	ASFAR,Americans for a Society Free of Age Restrictions
377	ASG,Area Support Group
378	ASIC,Australian Securities and Investments Commission,Aviation Security Identification Card
379	ASIO,Australian Security Intelligence Organisation,Audio stream input output
380	ASIP,Advanced System Improvement Program,Army Stationing and Installation Plan,Application-specific instruction-set processor
381	ASM,Air-to-Surface Missile,American Samoa (ISO 3166 trigram),American Society for Metals,American Society for Microbiology
382	asm,Assamese language (ISO 639-2 code)
383	ASMB,American Society for Matrix Biology,Adult Swim Message Board
384	ASME,American Society of Mechanical Engineers,American Society of Magazine ors
385	ASN,Associate of Science in Nursing
386	ASOC,(a/i) 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
387	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
388	ASPI,Australian Strategic Policy Institute
389	ASR,Alkali-silica reaction,Anti Slip Regulation
390	ASRAAM,Advanced Short-Range Air-to-Air Missile
391	ASSC,Association for the Scientific Study of Consciousness
392	AST,Atlantic Standard Time (UTC−4 hours)
393	ASTIA,Armed Services Technical Information Agency
394	ASTM,American Society for Testing and Materials
395	ASTREA,Aerial Support To Regional Enforcement Agencies (sheriff's air support unit)
396	ASUW,AntiSUrface Warfare
397	ASVAB,Armed Services Vocational Aptitude Battery(taken by juniors in high school in the USA)
398	ASW,AntiSubmarine Warfare
399	ASWORG,(U.S.) AntiSubmarine Warfare Operations Research Group
400	At,Astatine
401	aT,Attotesla
402	ATAC,Air Transportable Acoustic Communications
403	ATACMS,Army TACtical Missile System
404	ATAPI,Advanced Technology Attachment Packet Interface
405	ATAS,Air-To-Air Stinger (missile)
406	ATAT,Aiken Tactical Airsoft Team / Star Wars vehicle
407	ATCCIS,Army Tactical Command and Control Information System
408	ATESS,Aerospace and Telecommunications Engineering Support Squadron
409	ATG,Antigua and Barbuda (ISO 3166 and FIFA trigram)
410	ATGM,Anti-Tank Guided Missile
411	ATGW,Anti-Tank Guided Weapon
412	ATI,Allied Telesyn International,Inc.,Array Technologies Incorporated. (ATI Technologies)
413	Atisbo,a Local Government Area in Nigeria named for constituent communities (Ago-Are,Tede,Irawo,Sabe,Baasi,Ofiki and Owo)
414	ATK,Attack
415	ATSD,(U.S.) Assistant Secretary of Defense
416	ATSDR,Agency for Toxic Substances and Disease Registry
417	ATV,All-Terrain Vehicle
418	Au,Gold (Latin Aurum)
419	AUD,Australian dollar (ISO 4217 currency code)
420	AUS,Australia (ISO 3166 trigram)
421	Auslan,Australian Sign Language
422	AUT,Austria (ISO 3166 trigram)
423	AUTL,Army Universal Task List
424	Av,Aperture value (photographic mode)
425	aV,Attovolt
426	av,Avar language (ISO 639-1 code)
427	AVA,American Viticultural Area
428	ava,Avar language (ISO 639-2 code)
429	AVB,Audio Video Bridging
430	AVDLR,Aviation Depot Level Repair
431	ave,Avestan language (ISO 639-2 code)
432	AVIM,Aviation Intermediate Maintenance
433	AVLB,Armoured Vehicle Launched Body
434	AVO,Apprehended Violence Order
435	AVP,Arubaanse Volkspartij
436	AVP,Association of Volleyball Professionals
437	AVRE,Armoured Vehicle Royal Engineers
438	AVUM,Aviation Unit Maintenance
439	AVVO,Acute Vaginal Venereal Outbreak
440	AW,Aruba (ISO 3166 digram)
441	aW,Attowatt
442	AWA,American Wrestling Association
443	AWC,Air Warfare Centre
444	AWD,All Wheel Drive
445	AWE,Advanced Warfighting Experiment
446	AWG,Aruban guilder (ISO 4217 currency code)
447	AWP,Awaiting Parts (SM&R code)
448	AWSIM,Air Warfare SIMulation
449	AWST,Australian Western Standard Time
450	AWW,Above Water Warfare
451	AX,Åland Islands (ISO 3166 digram)
452	AXP,Ambulance eXchange Point
453	AY,Antarctica (FIPS 10-4 territory code)
454	ay,Aymara language (ISO 639-1 code)
455	AYBABTU,All Your Base Are Belong To Us
456	aym,Aymara language (ISO 639-2 code)
457	AYU,As Yet Unknown
458	az,Azerbaijani language (ISO 639-1 code)
459	AZE,Azerbaijan (ISO 3166 trigram)
460	aze,Azerbaijani language (ISO 639-2 code)
461	AZN,Azerbaijani manat (ISO 4217 currency code)
462	BBQ,Barbecue
463	BCC,Blind Carbon Copy
464	BEL,Belgium (ISO 3166 trigram)
465	BEN,Benin (ISO 3166 trigram)
466	BEO,Banquet Event Order
467	BERC,Business Environmental Resource Center
468	BER,Bit Error Rate
469	BHD,Bahraini dinar (ISO 4217 currency code)
470	BHR,Bahrain (ISO 3166 trigram)
471	BNS,Bank of Nova Scotia
472	BNSF,Burlington Northern Santa Fe (also AAR reporting mark)
473	BOAC,British Overseas Airways Corporation (predecessor of British Airways)
474	BoAML,Bank of America Merrill Lynch
475	BÖC,Blue Öyster Cult
476	BOFH,Bastard Operator From Hell
477	BOGA,Bend Over and Grab Ankles
478	BOGs,Bunch of Guys
479	BOL,Bolivia (ISO 3166 trigram)
480	BOP,Balance of Payments,
481	BOPB,Biarritz Olympique Pays Basque (the complete name of the rugby club),
482	BOPD,Barrel of Oil Per Day
483	BOS,Battlefield Operating System
484	BRA,Brazil (ISO 3166 trigram)
485	BRAG,Bicycle Ride Across Georgia
486	BRN,Bahrain (IOC trigram,but not FIFA or ISO 3166),Brunei (ISO 3166 trigram),BRSB , Battlefield Reasoning System Brianna,BRU , Brunei (IOC and FIFA trigram,but not ISO 3166),BS[edit],bs , Bosnian language (ISO 639-1 code)
487	BS,The Bahamas (ISO 3166 digram),Bassas da India (FIPS 10-4 territory code),Bachelor of Science degree,British subject
488	BSatCoP,Benjamin Sniddlegrass and the Cauldron of Penguins
489	BSNL,Bharat Sanchar Nigam Limited,Bachelor of Science in Nursing
490	BSoD,Blue Screen of Death (distinct from BSD)
491	BSW,British Standard Whitworth (screw thread)
492	BSX,Bendigo Stock Exchange
493	Bt,Baronet,Bacillus thuringiensis
494	BTN,Bhutan (ISO 3166 trigram),Bhutanese ngultrum (ISO 4217 currency code)
495	BTO,Built To Order
496	BTP,British Transport Police
497	BTU,British Thermal Unit
498	BTW,By The Way
499	BU,Bulgaria (FIPS 10-4 country code) -,Burma (ISO 3166 digram; obsolete since 1989)
500	BUAV, British Union for the Abolition of Vivisection
501	BUL,Bulgarian language (ISO 639-2 code),Bulgaria (IOC and FIFA trigram,but not ISO 3166)
502	BUNO,Bureau Number (aircraft serial number)
503	BUR,Burma (ISO 3166 trigram; obsolete since 1989)
504	BVR,Beyond Visual Range,
505	BVT,Bouvet Island (ISO 3166 trigram),
506	BW,Bring Wedges (ISO digram)
507	BW,Botswana (ISO 3166 digram)
508	BWA,Botswana (ISO 3166 trigram)
509	BWC,Biological and Toxin Weapons Convention
510	BWP,Botswanian pula (ISO 4217 currency code)
511	BWR,Boiling-Water Reactor
512	BX,Base eXchange
513	BY,Burundi (FIPS 10-4 country code) -,Belarus (ISO 3166 digram)
514	BYOC,Bring Your Own Computer (play on BYOB)
515	BYOF,Bring Your Own Flask
516	BYR,Belarusian ruble (ISO 4217 currency code)
517	BYS,Byelorussian Soviet Socialist Republic (ISO 3166 trigram; obsolete since 1992)
518	BYU,Brigham Young University
519	BZ,Belize (ISO 3166 digram)
520	BZD,Belize dollar (ISO 4217 currency code)
521	BZP,Benzylpiperazine
522	c,Centi
523	c2c,the British rail company formerly known as LTS Rail
524	Ca,Calcium
525	ca,Catalan language (ISO 639-1 code)
526	CACM,Central American Common Market
527	CACM,Communications of the ACM
528	CADPAT,CAnadian Disruptive PATtern
529	CAEn,Close Action Engagement (constructive simulation)
530	CAFAD,Combined Arms For Air Defence
531	CAFE,Corporate Average Fuel Economy standard
532	CAI,Computer Assisted Instruction
533	CAIR,Council on American-Islamic Relations
534	CALL,Center for Army Lessons Learned
535	CalPERS,California Public Employees' Retirement System
536	Caltrans,California Department of Transpotation
537	CAMRA,CAMpaign for Real Ale
538	CAN,Canada (ISO 3166 trigram)
539	CANA,Convulsive Antidote,Nerve Agent
540	CANDU,CANada Deuterium Uranium (nuclear reactor design)
541	CARMONETTE,Computerized Monte Carlo Simulation
542	CARP,Computed Air Release Point
543	CART,Championship Auto Racing Teams (now defunct)
544	CASA,Civil Aviation Safety Authority
545	CASS,Command Activated Sonobuoy System
546	CASTFOREM,Combined Arms and Support Task FORce Evaluation Model
547	CASTOR,Canadian Automatic Small Telescopes for Orbital Research
548	cat,Catalan language (ISO 639-2 code)
549	CATK,Counterattack
550	CATS,Computer Active Technology Suspension
551	CATT,Combined Arms Tactical Trainer
552	CAV,Cavalry
553	CAW,Canadian Auto Workers (trade union)
554	CBLA,Comparative bullet lead analysis
555	CBM,Canadian Baptist Ministries
556	CBM,Commodore Business Machines
557	CBML,Coalition Battle Management Language
558	CBN,CardsApp Brand Number
559	CBOL,Consortium for the Barcode of Life
560	CBOT,Chicago Board of Trade
561	CBR,Case-Based Reasoning
562	CC,carbon copy
563	CCA,Counter Command Activity
564	CCF,Cartoon Cartoon Fridays
565	CCGH,Canadian Coast Guard Hovercraft
566	CCH,Computer-Controlled Hostile
567	CCOP,Coalition Common Operating/Operational Picture
568	CCPA,Consumer Credit Protection Act
569	CCR,Creedence Clearwater Revival
570	CCRAp,Canadian Conservative Reform Alliance party
571	CCRP,Command and Control Research Program
572	CCRTS,Command and Control Research and Technology Symposium
573	CCSCS,Consultative Committee for Space Data Systems
574	CCSCS,Coordinadora de Centrales Sindicales del Cono Sur
575	CCSK,Cyclic Code Shift Keying
576	CCT,Current Commitments Team
577	Cd,Cadmium
578	cd,Candela
579	CD,Compact Disc
580	CD1,Cluster of Differentiation 1 (a small gene family)
581	CDA,UK Centre for Defence Analysis
582	CDC,Control Data Corporation,Cult of the Dead Cow
583	CDD,Capabilities Development Document
584	CDE,Chemical Defence Equipment
585	CDipAF,Certified Diploma in Accounting and Finance
586	CDL,Commercial driver's license
587	CDMA,Code Division Multiple Access
588	CDMSII,Cryogenic Dark Matter Search II
589	Cdr,Commander
590	CDS,Chief of the Defence Staff,Credit default swap
591	CDT,Central Daylight Time (UTC−5 hours)
592	Cdt,Commandant
593	Ce,Cerium
594	ce,Chechen language (ISO 639-1 code)
595	CE,Christian/Common Era
596	CEA,Campaign Effectiveness Analysis
597	CECOM,U.S. Army Communications and Electronics Command
598	CEI,Competitive Enterprise Institute
599	CENTCOM,United States Central Command
600	CENTO,Central Treaty Organization (Baghdad Pact)
601	CEO,Chief Executive Officer
602	CEP,Circular Error Probable
603	CERT,Computer Emergency Response Team
604	ces,Czech language (ISO 639-2 code)
605	CESS,Centre for Earth Science Studies (India)
606	CEST,Central European Summer Time
607	CET,Central European Time
608	CEWC,Council for Education in World Citizenship
609	Cf,Californium
610	CFES,Continuous Flow Electrophoresis System
611	CFFZ,Call For Fire Zone
612	CFHT,Canada-France-Hawaii Telescope
613	CFI,Center for Inquiry (CSICOP)
614	CFLCC,Coalition Forces Land Component Command
615	CFM,Certified Facilities Manager
616	CFO,Chief Financial Officer
617	CFRP,Carbon fibre reinforced plastic
618	CFS,Chronic Fatigue Syndrome
619	CFSP,Common Foreign and Security Policy
620	CFU,Colony Forming Unit in Microbiology
621	CFV,Cavalry Fighting Vehicle
622	CFZ,Critical Friendly Zone
623	CGH,Comparative Genomic Hybridisation
624	CGIG,Cross-Government Implementation Group
625	CGS,Chief of the General Staff
626	CGT,Capital Gains Tax
627	ch,ch(L) is used to denote the Chern character of a line bundle
628	ch,Chamorro language (ISO 639-1 code)
629	cha,Chamorro language (ISO 639-2 code)
630	CHAMPUS,(U.S.) Civilian Health and Medical Program of the Uniformed Services (now known as TRICARE)
631	CHAOS,Cambridge Heart Anti-Oxidant Study
632	CHAPS,Clearing House Automated Payment System
633	CHDK,Canon Hack Development Kit (Canon camera firmware hack)
634	che,Chechen language (ISO 639-2 code)
635	CHF,Swiss franc (ISO 4217 currency code)
636	CHiP,California Highway Patrol
637	CHIPS,Cosmic Hot Interstellar Plasma Spectrometer
638	CHL,Chile (ISO 3166 trigram)
639	CHLA,Core Historical Literature of Agriculture
640	CHN,China (ISO 3166 trigram)
641	CHOGM,Commonwealth Heads of Government Meeting
642	CHP,California Highway Patrol,Combined Heat and Power
643	CHPSO,California Hospital Patient Safety Organization
644	CHRS,Canadian Heart Rhythm Society
645	CHT,Certified Hand Therapist
646	chu,Old Church Slavonic language (ISO 639-2 code)
647	chv,Chuvash language (ISO 639-2 code)
648	Ci,Curie
649	CIB,Complete In Box (Internet auction/trading listings)
650	CIBC,Canadian Imperial Bank of Commerce
651	CID,Certified Interior Designer
652	CIEF,Comité international d'enregistrement des fréquences (International Frequency Registration Board)
653	CIF,Cost,Insurance,and Freight (Paid) (shipping)
654	CINC,Commander in Chief
655	CINEOS,Campo Imperatore Near-Earth Object Survey
656	CIO,Chief information officer,Congress of Industrial Organizations
657	CIPE,(European) Centre for International Political Economy
658	CIR,(Commander's) Critical Information Requirements
659	CIR,Corotating Interaction Region
660	CISA,(U.S.) C4I Integration Support Activity
661	CISB,Complete In Sealed Box (Internet auction/trading listings)
662	CISPR,Comité international spécial des perturbations radioélectriques (Special International Committee on Radio Interference)
663	CISSP,Certified Information Systems Security Professional
664	CIV,Côte d'Ivoire (ISO 3166 trigram)
665	CIVETS,Colombia,Indonesia,Vietnam,Egypt,Turkey,South Africa (economics)
666	CIVPOP,Civilian Population
667	CIWS,Close-In Weapon System
668	CJCS,Chairman of the Joint Chiefs of Staff
669	CJO,Chief of Joint Operations
670	CJTF,Combined Joint Task Force
671	CKND,Codename: Kids Next Door
672	Cl,Chlorine
673	CLA,Clutterers Anonymous
674	CLEC,Competitive Local Exchange Carrier
675	CLEMARS,California Law Enforcement Mutual Aid Radio System
676	CLIC,Compact LInear Collider
677	CLO,Cornell Lab of Ornithology
678	CLOS,Command to Line-Of-Sight (missile control system)
679	CLP,Chilean peso (ISO 4217 currency code),Common [Operating/Operational] Land Picture
680	CLPFC,CentroLateral PreFrontal Cortex
681	CLRP,College Loan Repayment Program
682	Cm,Curium
683	CMHC,Canada Mortgage and Housing Corporation
684	CMIIAW,Correct me if I am wrong
685	CMIS,Common management information service
686	CMJ,Christopher Martin-Jenkins (BBC sports commentator)
687	CML,Chemical,Chronic Myelogenous Leukemia (formerly Chronic Myeloid Leukemia)
688	CMM,Capability Maturity Model
689	CMMC,Corps Materiel Management Centre
690	CMP,Common [Operating/Operational] Maritime Picture
691	CMPD,Charlotte Mecklenburg Police Department
692	CMPD,Chronic Myeloproliferative Disease
693	CMT,Country Music Television
694	CMYK,Cyan Magenta Yellow Key/blacK (colour model)
695	CNBC,Consumer News and Business Channel
696	CNF,Cost and Freight
697	CNI,Clinical Nursing Intern
698	CNV,Copy-Number Variable (genetics)
699	CNY,Chinese yuan renminbi (ISO 4217 currency code)
700	Co,Cobalt
701	co,Corsican language (ISO 639-1 code)
702	COB,Close Of Business [day]
703	COBRA,Consolidated Omnibus Budget Reconciliation Act of 1985
704	CoDA,Co-Dependents Anonymous
705	COGENT,Cognitive Objects within a Graphical EnviroNmenT
706	COIL,Chemical Oxygen Iodine Laser
707	COK,Cook Islands (ISO 3166 trigram)
708	COL,Colombia (ISO 3166 trigram)
709	COLA,Cost Of Living Adjustment
710	COM,Comoros (ISO 3166 trigram),Component Object Model
711	COMECON,Council for Mutual Economic Assistance (economic counterpart of the Warsaw Pact,1949-1991)
712	CONAD,U.S. Continental Air Defense Command
713	CONCACAF,Confederation Of North,Central American and Caribbean Association Football
714	CONUS,Continental United States
715	COO,Chief Operating Officer
716	COPE,U.K. Committee On Publication Ethics
717	COPUS,U.K. Committee on the Public Understanding of Science
718	cor,Cornish language (ISO 639-2 code)
719	CORD,Common Operational Requirements Document
720	CORE,Consortium for Oceanographic Research and Education
721	COROT,COnvection,ROtation and planetary Transits
722	COS,Cooper Ornithological Society
723	COSER,COoperative SERvice
724	CoT,Car of Tomorrow (former NASCAR race car design)
725	COTS,Commercial Off The Shelf
726	CPA,Certified Public Accountant
727	CPCU,Certified Property Casualty Underwriter
728	CPD,Capabilities Production Document
729	CPE,Certificate of Proficiency in English
730	CPE,Certified Professional Ergonomist
731	CPG,Clinical Practice Guideline
732	CPI,CERDEC Command,Power and Integration
733	CPIM,Certification on Production and Inventory Management
734	CPIR,Computationally-Private Information Retrieval
735	CPON,Certified Pediatric Oncology Nurse
736	CPPCC,Chinese People's Political Consultative Conference
737	CPR,Canadian Pacific Railway
738	CPR,Cardiopulmonary resuscitation
739	CPSM,Continuous Phase Shift Modulation
740	CPSU,Communist Party of the Soviet Union
741	CPT,Contingency Planning Team
742	CPU,Contract Postal Unit
743	CPV,Cape Verde (ISO 3166 trigram)
744	CPX,Command Post eXercise
745	Cr,Chromium
746	cr,Cree language (ISO 639-1 code)
747	CRAM,Combined Radiometric Correction Model
748	CRD,Capstone Requirements Document
749	cre,Cree language (ISO 639-2 code)
750	CREB,Cyclic AMP-response Element Binding (protein)
751	CREN,Christian Real Estate Network Real Estate Association
752	CRIPL,Consolidated Remain-In-Place List
753	CRTC,Canadian Radio-television and Telecommunications Commission
754	Cs,Caesium
755	cs,Czech language (ISO 639-1 code)
756	CSERIAC,(U.S. DoD) Crew Systems Ergonomics Information Analysis Center
757	CSG,Corps Support Group
758	CSI,see entry
759	CSICOP,Committee for the Scientific Investigation of Claims of the Paranormal (became the Committee for Skeptical Inquiry in 2006)
760	CSIP,Commercial Stable Image Platform (AMD)
761	CSK,Czechoslovakia (ISO 3166 trigram; obsolete since 1993)
762	CSL,U.K. Central Science Laboratory
763	CSPI,Center for Science in the Public Interest
764	CSR,Control Supply Rate
765	CSR,Corporate Social Responsibility
766	CSRC,Conflict Studies Research Centre
767	CSRF,Cross-Site Request Forgery
768	CST,Central Standard Time (UTC−6 hours)
769	CTBT,Comprehensive [Nuclear] Test Ban Treaty
770	CTDB,Compact Terrain Data Base (file format)
771	CTE,Canton and Enderbury Islands (ISO 3166 trigram; obsolete 1984),Chronic traumatic encephalopathy
772	CTGF,connective tissue growth factor
773	CTI,Co-operative Target Identification
774	CTIL,Critical Tracked Items List
775	CTIS,Central Tire Inflation System
776	CTMS,Clinical Trial Management System
777	CTO,Chief Technical Officer,Chief Technology Officer
778	CTS,Clear-To-Send,Collective Training Standards,Communications Technology Service,Contract Technical Services,Conversation Time Sharing,COSMIC Top Secret
779	CTSS,Compatible Time-Sharing System
780	CTU,Counter Terrorist Unit (fictional branch of the Central Intelligence Agency in the television action series 24)
781	CTVT,Canine Transmissible Venereal Tumour
782	CU,Carrie Underwood,Cuba (FIPS 10-4 country code; ISO 3166 digram)
783	Cu,Copper (Latin Cuprum)
784	cu,Old Church Slavonic language (ISO 639-1 code)
785	CUB,Cuba (ISO 3166 trigram)
786	CUCV,Commercial Utility Cargo Vehicle
787	CUP,Cuban peso (ISO 4217 currency code)
788	CUPS,Common Unix Printing System
789	CUPW,Canadian Union of Postal Workers
790	CUREA,Consortium for Undergraduate Research and Education in Astronomy
791	CuW,Copper-tungsten pseudo-alloy (from the chemical symbols of the two component elements)
792	CUW,Curaçao (ISO 3166 trigram)
793	cv,Chuvash language (ISO 639-1 code)
794	CV,curriculum vitae (résumé)
795	CVE,Cape Verde escudo (ISO 4217 currency code)
796	CVLL,Crypto Variable Logic Label
797	CVSD,Continuous Variable Slope Delta (modulation)
798	CVT,Continuously Variable Transmission
799	CWC,Chemical Weapons Convention
800	CWRU,Case Western Reserve University
801	CWS,Canadian Wildlife Service
802	CXR,Christmas Island (ISO 3166 trigram)
803	cy,Welsh language (ISO 639-1 code)
804	CYM,Cayman Islands (ISO 3166 trigram)
805	cym,Welsh language (ISO 639-2 code)
806	CYP,Cyprus (ISO 3166 trigram),Cyprus pound (ISO 4217 currency code)
807	CZE,Czech Republic (ISO 3166 trigram)
808	CZF,(Christian Zombie Fan)
809	CZK,Czech koruna (ISO 4217 currency code)
810	CZMA,(US) Coastal Zone Management Act
811	d,Deci
812	D,Deuterium
813	da,Danish language (ISO 639-1 code),deca
814	DA,Denmark (FIPS 10-4 country code),Debtors Anonymous,U.S. Department of the Army,District Attorney
815	DAES,Defence Acquisition Executive Summary,(UK MoD) Directorate of Analysis,Experimentation and Simulation
816	DAF,Dissolved Air Flotation,a technique used in water treatment
817	DAFIF,Digital Aeronautical Flight Information File
818	DAK,Disney's Animal Kingdom
819	dan,Danish language (ISO 639-2 code)
820	DAO,Division Ammunition Officer
821	DAQ,Data acquisition,Delivered Audio Quality
822	DARE,Drug Abuse Resistance Education
823	DARO,(U.S.) Defense Airborne Reconnaissance Office
824	DARPA,U.S. Defense Advanced Research Projects Agency
825	DART,Disaster Assistance Response Team,Dublin Area Rapid Transit
826	DAS,Defensive Aids Suite
827	DASD,(U.S.) Deputy Assistant Secretary of Defense
828	DASL,Datapoint's Advanced Systems Language
829	DAU,(U.S.) Defense Acquisition University
830	DAWN,(U.S.) Drug Abuse Warning Network
831	dB,Decibel
832	DB,Deutsche Bahn
833	Db,Dubnium
834	DBA,De Bellis Antiquitatis (miniature wargaming rules)
835	DBBL,(U.S. Army Simulation Center) Dismounted Battlespace Battle Laboratory
836	DBDO,Desert BDO
837	DBE,Dame Commander of the Order of the British Empire
838	DBF,Detection By Fire (weapon launch signature)
839	DBR,De Bellis Renationis (miniature wargaming rules)
840	DBRA,Davis-Bacon Related Acts
841	DBS,Direct Broadcast Services (television)
842	DC,da capo,Italian Democrazia Cristiana,Digital Compass,Direct Current,District of Columbia (postal symbol),Douglas Aircraft Company,Dublin Core,Duty Cycle
843	DCA,Defensive Counter Air,Drum Corps Associates,DiChloroAcetate
844	DCAA,(U.S.) Defense Contract Audit Agency
845	DCAS,Devon and Cornwall Archery Society
846	DCC,Dallas Christian College
847	DCD,[Organ] Donation after Cardiac Death
848	DCE,Data Communication Equipment
849	DCFC,Death Cab for Cutie
850	DCI,Detection,Classification and Identification,Drum Corps International,Duellists' Convocation International,now known simply by the initials
851	DCL,Disney Cruise Line
852	DCN,Deacon
853	DCOM,Disney Channel Original Movie
854	DCSOPS,Deputy Chief of Staff for Operations and plans
855	DCW,Digital Chart of the World
856	DCYSC,Discovery Channel Young Scientist Challenge
857	DDA,Deputy District Attorney
858	DDN,U.S. Defense Data Network
859	DDS,Doctor of Dental Surgery
860	DDT,Dichloro-Diphenyl-Trichloroethane (insecticide),Dynamic Debugging Tool (computing),DE[edit]
861	DE,Delaware (postal symbol),Germany (ISO 3166 digram)
862	de,German language (ISO 639-1 code)
863	DEA,Drug Enforcement Administration
864	DEA,Drug Enforcement Agency
865	DEC,(a/i) Department of Environmental Conservation,Digital Equipment Corporation,Disasters Emergency Committee
866	DeCA,(U.S.) Defense Commissary Agency
867	DEFCON,Defence readiness condition
868	DEFRA,(UK) Department for Environment,Food and Rural Affairs
869	DELT,Dual Ended Line Test (ing)
870	DEM,Data Exchange Mechanism,Digital Elevation Model
871	DEN,Denmark (IOC and FIFA trigram,but not ISO 3166)
872	DEPSECDEF,(U.S.) Deputy Secretary of Defense
873	DERA,British Defence Evaluation and Research Agency (1995-2001)
874	DES,Deep Ecliptic Survey
875	deu,German language (ISO 639-2 code)
876	DEU,Germany (ISO 3166 trigram)
877	DFAS,(U.S.) Defense Finance and Accounting Service
878	DFCB,Data Format Control Book
879	DfID,UK Department for International Development
880	DFM,Discrete Field Model see Superluminal motion
881	DFM,Dynamic Flowgraph Methodology
882	DFSP,Dermatofibrosarcoma protuberans
883	DfT,UK Department for Transport
884	DFTBA,Don't Forget To Be Awesome,a term commonly used by the Vlogbrothers
885	DGPS,Differential GPS
886	DGZ,Desired Ground Zero
887	DH,dear husband (increasingly prevalent on social mailing lists,blogs,and bulletin boards),Designated hitter
888	DHA,DocosaHexaenoic Acid
889	DHHS,(U.S.) Department of Health and Human Services
890	DHL,Dalsey,Hillblom,and Lynn (courier service)
891	DHRA,(U.S.) DoD Human Resources Activity
892	DHS,U.S. Department of Homeland Security
893	DHSS,UK Department of Health and Social Security
894	DHTFYSS,U.S. Don't Have Time For You Silly S****
895	DHY,Dahomey (ISO 3166 trigram; became BEN for Benin in 1977)
896	DIA,U.S. Defense Intelligence Agency
897	DIAC,Department of Immigration and Citizenship (Australia) [1]
898	DiC,Design Island Centre (computing usually used in a teaching situation)
899	DICASS,DIrectional Command Activated Sonobuoy System
900	DIFAR,DIrectional Frequency Analysis and Recording
901	DIME,Dense Inert Metal Explosive
902	DINKY,Double Income,No Kids Yet
903	DIP,Dual In-line Package (electronics)
904	DIPS,Defense independent pitching statistics
905	DIR,Defence Industrial Research
906	DIS,Defence Intelligence Staff,(U.S.) Defense Investigative Service,Distributed Interactive Simulation,Draft International Standard (ISO)
907	DISA,U.S. Defense Information Systems Agency,Distinguished Individual Service Award
908	DISCOM,Division Support Command
909	DISE,Deployable Intelligence Support Element
910	DISSTAF,DIS Search and Target Acquisition Fidelity experiment
911	DITY,Do-It-Yourself
912	div,Dhivehi language (ISO 639-2 code)
913	DIVAD,Division Air Defence
914	DIY,Do It Yourself
915	DJ,Disc Jockey,Dinner Jacket,Djibouti (ISO 3166 digram; FIPS 10-4 country code)
916	DJD,Degenerative Joint Disease,Dublin Julian Day,Discoveries in the Judaean Desert
917	DJF,Djibouti franc (ISO 4217 currency code)
918	DJI,Djibouti (ISO 3166 trigram)
919	DJS,Director,Joint Staff
920	DK,Denmark (ISO 3166 digram)
921	DKK,Danish krone (ISO 4217 currency code)
922	DL,Dexter's Laboratory
923	DLA,U.S. Defense Logistics Agency,Dental Laboratories Association
924	DLIC,Detachment Left-In-Contact
925	DLIR,Depot-Level Inspection and Repair
926	DLPMC,DorsoLateral PreMotor Cortex
927	DLR,Deutsches Zentrum für Luft,und Raumfahrt (German,German Aerospace Centre),Docklands Light Railway
928	DLRP,Data Link Reference Point
929	DLS,Deep Lens Survey
930	DLSA,(U.S.) Defense Legal Services Agency
931	DLSc,Diploma in Library Science
932	DLSC,U.S. Defense Logistics Services Center,U.S. Defense Logistics Support Command,Department of Library Special Collections (Western Kentucky University Libraries),Direct Loan Servicing Center,Directorate of Land Strategic Concepts (Canada),Dominican Lay Scholars Community
933	DLTBGYD,Don't let the bastards grind you down
934	DM,Dominica (ISO 3166 digram),Dungeon Master (role-playing games)
935	DMA,Designated market area (primarily a U.S. term),U.S. Defense Mapping Agency (became NIMA,then NGA),Direct Memory Access (computing),Dominica (ISO 3166 trigram)
936	DMC,(U.S.) Defense Management Council
937	DMCA,Digital Millennium Copyright Act
938	DMM,Digital Multimeter
939	DMOC,Distributed Mission Operations Centre
940	DMPA,(U.S.) Defense Medical Programs Activity
941	DMPFC,DorsoMedial PreFrontal Cortex
942	DMPK,Drug Metabolism and Pharmacokinetics
943	DMRB,Design Manual for Roads and Bridges
944	DMS,U.S. Defense Message System
945	DMSP,U.S. Defense Meteorological Satellite Program
946	DMT,Dimethyltryptamine
947	DMU,Diesel Multiple Unit,a method of connecting self-propelled railway vehicles together to form a train under the control of one driver.
948	DMV,Department of Motor Vehicles
949	DMZ,DeMilitarized Zone
950	DN,Deacon
951	DNA,U.S. Defense Nuclear Agency,DeoxyriboNucleic Acid,Douglas Noël Adams
952	DNAW,Day Night All Weather
953	DND,Department of National Defence (Canada),Do Not Disturb
954	DNDi,Drugs for Neglected Diseases initiative
955	DNDO,U.S. Domestic Nuclear Detection Office
956	DNK,Denmark (ISO 3166 trigram)
957	DNM,Defence Nuclear Material
958	DNR,Do Not Resuscitate
959	DNS,Domain Name System
960	DO,Dominica (FIPS 10-4 country code),Dominican Republic (ISO 3166 digram),Doctor of Osteopathic Medicine
961	DOA,Dead On Arrival,Dead or Alive
962	DOB,Date Of Birth
963	DOD,U.S. Department of Defense
964	DODAF,U.S. Department of Defense Architectural Framework
965	DoDD,U.S. Department of Defense Directive
966	DoDEA,(U.S.) Department of Defense Education Activity
967	DOE,U.S. Department of Energy
968	DOHC,Dual-OverHead-Cam engine
969	DOI,U.S. Department of the Interior
970	DOP,Dominican peso (ISO 4217 currency code)
971	DORA,Defence of the Realm Act
972	DOS,Density of State
973	DOT,Department of Transportation (U.S. federal or state),Damage Over Time (common in World of Warcraft)
974	DOTA,short-form for DEFENSE OF THE ANCIENTS a popular online epic game
975	DotD,Deal of the Day (marketing gimmick)
976	DOTMLPF,Doctrine,Organization,Training,Materiel,Leadership,Personnel,and Facilities (mnemonic)
977	DOW,Died of Wounds
978	DP,Decision Point,Dynamic Programming
979	DP,Division de production (Algerian petroleum company)
980	DPA,UK Defence Procurement Agency
981	DPCO,Double-Pole Change Over
982	DPDT,Double-Pole Double-Throw
983	DPI,Dots Per Inch
984	DPICM,Dual-Purpose Improved Conventional Munition
985	DPKO,UN Department for Peacekeeping Operations
986	DPMO,(U.S.) Defense Prisoner of War/Missing Personnel Office
987	DPPDB,Digital Point Positioning Database
988	DPRE,Displaced Person or Refugee (plural Displaced Persons and Refugees) (originally Displaced Persons,Refugees,Evacuees)
989	DPRK,Democratic People's Republic of Korea
990	DPST,Double-Pole Single-Throw
991	DQ,Dairy Queen,Jarvis Island (FIPS 10-4 country code)
992	DR,Dead Reckoning,Dominican Republic (FIPS 10-4 country code),Danmarks Radio (Danish Broadcasting Corporation)
993	DRA,Defence Research Agency (UK,1991-1995),Democratic Republic of America
994	DRC,Democratic Republic of the Congo
995	DRDC,Defence Research & Development Canada
996	DREA,Defence Research Establishment Atlantic (obsolete 2002)
997	DRES,Defence Research Establishment Suffield (obsolete 2002)
998	DRET,Defence Research Establishment Toronto (obsolete 2002)
999	DREV,Defence Research Establishment Valcartier (obsolete 2002)
1000	DRI,Detection,Recognition,Identification,Dietary Reference Intake
1001	DRIC,(U.S.) Defense Research Information Center
1002	DRL,Daytime Running Lights,Dorman Roberts Ltd.
1003	DRMS,(U.S.) Defense Revitalization and Marketing Service
1004	DRPR,Drawing Practices
1005	DRT,Document Related Technologies
1006	Ds,Darmstadtium
1007	DS,Dear son (increasingly prevalent on social mailing lists,blogs,and bulletin boards),Defence Scientist,Direct Support,Dust Storm (METAR Code)
1008	DSA,(U.S.) Defense Support Activities,Division Support Area
1009	DSAA,(U.S.) Defense Security Assistance Agency,Driving Schools Association of the Americas,DECT Standard Authentication Algorithm
1010	DSAS,Disney Sing Along Songs
1011	DSB,(U.S.) Defense Science Board
1012	DSC,Differential Scanning Calorimeter,Digital Selective Calling,Digital Still Camera,Distinguished Service Cross,Doctor of Surgical Chiropody (obsolete),Document structure convention (PostScript programming),Dynamic Stability Control
1013	DSCS,U.S. Defense Satellite Communications System
1014	DSCSOC,DSCS Operations Center
1015	DSD,Defence Studies Department (King's College,London)
1016	DSE,Dry Sheep Equivalent
1017	DSG,Direct-Shift Gearbox
1018	DSID,Dismounted Soldier Identification System
1019	DSL,Digital Subscriber Line
1020	DSLR,Digital single-lens reflex (camera)
1021	DSM,Diagnostic and Statistical Manual of Mental Disorders
1022	DSN,Deep Space Network
1023	DSP,Defense Standardization Program,Defense Support Program,
1024	DSPL,Design Specialists and Plans Language
1025	DSR,Deformed Special Relativity
1026	DSRV,Deaf Sports Recreation Victoria,Deep Submergence Rescue Vehicle
1027	DSS,Digitized Sky Survey,Discarding-Sabot Shell (ammunition)
1028	DST,Daylight Saving Time
1029	DSTL,British Defence Science and Technology Laboratory
1030	DSWA,(U.S.) Defense Special Weapons Agency
1031	DTA,Dental Technologists Association
1032	DTD,Digital Terrain Data
1033	DTE,Data Terminal Equipment,Down To Earth
1034	DTG,Date-Time Group
1035	DTH,Direct To Home (television)
1036	DTI,UK Department of Trade and Industry
1037	DTIC,(U.S.) Defense Technical Information Center
1038	DTL,Diode-Transistor Logic (electronics)
1039	DTLOMS,Doctrine,Training,Leader development,Organization,Materiel,and Soldier (mnemonic)
1040	DTMF,Dual-tone multi-frequency signaling
1041	DTO,Disruptive Technology Office (was ARDA)
1042	DTOMLS,Doctrine,Training,Organization,Materiel,Leader and Soldier development (mnemonic)
1043	DTR,Determine The Relationship
1044	DTSA,(U.S.) Defense Technology Security Administration
1045	DU,Depleted Uranium,Dust (METAR Code)
1046	DUI,Data Use Identifier,Data Use Institute,Davis Unified Ignition,Diving Unlimited International,Documento Único de Identidad,Documento Unico de Importación,Driving Under the Influence,Duke University Improv
1047	DUMBO,Down Under the Manhattan Bridge Overpass (Brooklyn neighborhood)
1048	DUSD,(U.S.) Deputy Under-Secretary of Defense
1049	dv,Dhivehi language (ISO 639-1 code)
1050	DVLC,UK Driver and Vehicle Licencing Centre
1051	DVM,Doctor of Veterinary Medicine
1052	DVO,Direct View Optics
1053	DVOM,Digital Volt-Ohm Meter
1054	DVP,various meanings (disambiguation page)
1055	DW,Drum Workshop
1056	DWI,Dance With Intensity,Danish West Indies,Diffusion-weighted imaging,Direct water injection,Disaster Welfare Inquiry,Drinking Water Inspectorate,Driving While Intoxicated/Impaired
1057	DWIM,Do What I Mean
1058	DWM,Doctor Who Magazine
1059	DWTS,Dancing with the Stars
1060	DWW,Down with Webster
1061	DX,Dexterity (role-playing games),DeXtrorphan,Distant (radio),D-Generation X (professional wrestling stable)
1062	DXA,Dual-energy X-ray Absorptiometry
1063	DXM,DeXtroMethorphan
1064	DY,Dahomey (ISO 3166 digram; obsolete since 1977)
1065	Dy,Dysprosium
1066	DZ,Algeria (ISO 3166 digram),Drizzle (METAR Code),Drop Zone
1067	dz,Dzongkha language (ISO 639-1 code)
1068	DZA,Algeria (ISO 3166 trigram)
1069	DZD,Algerian dinar (ISO 4217 currency code)
1070	dzo,Dzongkha language (ISO 639-2 code)
1071	E,East
1072	EA,Electronic Attack,Emotions Anonymous,Engagement Area,Electronic Arts,Enrolled Agent,Environmental Assessment,Enterprise Architect,Exaampere
1073	EABU,Explain Acronyms Before Use
1074	EAC,Echelons Above Corps
1075	EAPC,Euro-Atlantic Partnership Council
1076	EAST,Experimental Advanced Superconducting Tokamak
1077	EBD,Electronic Brake Distribution
1078	EBE,Extraterrestrial Biological Entity
1079	EBO,Effects Based Operations,Encyclopædia Britannica Online,European Board of Ophthalmology
1080	EBSA,Employee Benefits Security Administration
1081	EBW,Electron Beam Welding
1082	EBW,Exploding BridgeWire
1083	ECASS,European Centre for Analysis in the Social Sciences [1]
1084	ECB,England (and Wales) Cricket Board,European Central Bank
1085	ECBR,European Coalition for Biomedical Research
1086	ECCM,Electronic Counter-Counter-Measures
1087	ECFS,Electronic Case Filing System
1088	ECG,Electrocardiogram
1089	ECHO,Each Community Helps Others (EPA programme),Educational Concerns for Hunger Organization,European Commission Host Organization,European Commission Humanitarian aid Office,Exchange Clearing House,Expanded Characteristic Option,Explanatory Coherence by Harmony Optimization
1090	ECHR,European Convention on Human Rights
1091	ECJ,European Court of Justice
1092	ECL,Emitter Coupled Logic (electronics)
1093	ECM,Electronic Counter-Measures,Enterprise Content Management
1094	ECommHR,European Commission on Human Rights
1095	ECS,Emergency Contact System,Enhanced Chip Set (computing),EOSDIS Core System,Extended Chip Set (computing)
1096	ECSC,European Coal and Steel Community (distant ancestor of the EU)
1097	ECT,ElectroConvulsive Therapy
1098	ECtHR,European Court of Human Rights
1099	ECU,Ecuador (ISO 3166 trigram),European Currency Unit (ancestor of the euro)
1100	ECW,Eastern Championship Wrestling/Extreme Championship Wrestling,ED[edit]
1101	EDA,European Defence Agency
1102	EDAC,Error Detection And Correction
1103	EDCS,Environmental Data Coding Specification
1104	EDD,Earliest due date,Electron-detachment dissociation,Elena Delle Donne (American basketball player),Employment Development Department (California state agency),End-diastolic dimension,Expected Date of Delivery (pregnancy)
1105	EDGAR,Electronic Data Gathering,Analysis,and Retrieval (U.S. Securities and Exchange Commission filings database)
1106	EDH,Eastman Dental Hospital
1107	EDS,Electronic Data Systems,Electronic Differential System
1108	EDSA,Epifanio de los Santos Avenue (a major thoroughfare in Manila with great significance to post-1980 Philippines history)
1109	EDT,Eastern Daylight Saving Time (UTC−4 hours)
1110	EDTA,Electric Drive Transportation Association,EthyleneDiamineTetraAcetic acid,EE[edit]
1111	EE,Estonia (ISO 3166 digram; from the country's native name of Eesti),Electrical engineering,Electrical Engineer,E&E,Escape and Evasion (training)
1112	ee,Ewe language (ISO 639-1 code)
1113	EEC,European Economic Community (predecessor of the EU)
1114	EEG,ElectroEncephaloGram
1115	EEK,Estonian kroon (ISO 4217 currency code)
1116	EENT,End Evening Nautical Twilight
1117	EEO,Equal Employment Opportunity
1118	EEOC,(U.S.) Equal Employment Opportunity Commission
1119	EEZ,Economic Exclusion Zone or Exclusive Economic Zone
1120	EF,Electro-focus (Canon lens mount),Entry Foyer,Exafarad
1121	EFF,Electronic Frontier Foundation
1122	EFL,English as a Foreign Language
1123	EFM,Enterprise Feedback Management
1124	EFOA,European Fuel Oxygenates Association
1125	EFSA,European Food Safety Authority
1126	EFT,Electronic Fund Transfer
1127	EFTA,European Free Trade Area,European Free Trade Association
1128	EFV,Expeditionary Fighting Vehicle
1129	EG,Egypt (ISO 3166 digram; FIPS 10-4 country code)
1130	EGBUS,External Genitalia,Bartholin's glands,Urethra & Skene's glands
1131	EGCG,EpiGalloCatechin-3-Gallate
1132	EGIS,Erieye Ground Interface Segment
1133	EGP,Egyptian pound (ISO 4217 currency code)
1134	EGRET,Energetic Gamma-Ray Experiment Telescope
1135	EGY,Egypt (ISO 3166 trigram)
1136	EH,Exahenry,Western Sahara (ISO 3166 digram)
1137	EHA,Education for All Handicapped Children Act (U.S. federal legislation; since superseded by the Individuals with Disabilities Education Act),Emotional Health Anonymous
1138	EHF,Extremely High Frequency
1139	EHR,Equipment History Record
1140	Ei,Exbi
1141	EI,Ireland (FIPS 10-4 country code; from Éire)
1142	EIA,Environmental Impact Assessment
1143	EIAH,Encyclopedia of Iranian Architectural History
1144	EIAH,Environnements Informatiques pour l'Apprentissage Humain
1145	EIC,East India Company
1146	EICS,East India Company's Service
1147	eID,electronic ID
1148	EIRP,Effective Isotropic Radiated Power
1149	EIS,Environmental Impact Statement
1150	EJ,Exajoule
1151	EK,Equatorial Guinea (FIPS 10-4 country code),Exakelvin
1152	EKG,Electrocardiogram (from German Elektrokardiogramm)
1153	EKMS,Electronic Key Management System
1154	EL,Exalitre
1155	el,Greek language (ISO 639-1 code)
1156	ELF-(a/i) Earth Liberation Front,Endangered Language Fund,Eritrean Liberation Front,Executable and Linkable Format,Extremely Low Frequency
1157	ELINT,Electronic Intelligence
1158	ELL,English Language Learner
1159	ell,Greek language (ISO 639-2 code)
1160	ELM,Edge-Localised Mode (plasma physics)
1161	ELO,Electric Light Orchestra
1162	ELP,Emerson,Lake & Palmer,European Left Party
1163	ELSS,Emergency Life Support Stores
1164	ELT,Emergency Locator Transmitter
1165	EM,ElectroMagnetism/ElectroMagnetic
1166	Em,Exametre
1167	EMA,European Medicines Agency
1168	EMC,Electric Membership Corporation,Electromagnetic Compatibility,Electro-Motive Corporation,European Muon Collaboration,Evergreen Marine Corporation
1169	EMCON,(Electromagnetic) Emissions Control
1170	EMD,General Motors Electro-Motive Division,Engineering and Manufacturing Development,European Missile Defence
1171	EMDG,Euro-Missile Dynamics Group
1172	EMDR,Eye Movement Desensitisation and Reprocessing
1173	EMF,Electromotive force,Epsom Mad Funkers (1990s-2000s indie dance band)
1174	EMG,ElectroMyoGraph
1175	EMO,Emergency Measures Organisation, Emotional
1176	EMP,ElectroMagnetic Pulse
1177	EMS,Emergency Medical Services
1178	EMT,Emergency Medical Technician
1179	EMU,Electric Multiple Unit,a method of connecting self-propelled railway vehicles together to form a train under the control of one driver.
1180	EN,Corps of Engineers,Estonia (FIPS 10-4 country code),Exanewton
1181	en,English language (ISO 639-1 code)
1182	ENCODE,Encyclopedia of DNA Elements (human genome data project)
1183	ENE,East North-East
1184	ENG,England (FIFA trigram; not eligible for an ISO 3166 or IOC trigram)
1185	eng,English language (ISO 639-2 code)
1186	ENT,Ear,Nose and Throat
1187	ENTEC,Euro NATO Training Engineer Centre
1188	ENVL,Envelope
1189	ENY,Enemy
1190	EO,Electro-Optics,Engagement Operations
1191	eo,Esperanto language (ISO 639-1 code)
1192	EOD,Explosive Ordnance Disposal
1193	EOG,ElectroOculoGraphy
1194	EOM,End of Message
1195	EOS,Earth Observation Satellite,(a/i) Electro-Optical System,Canon's autofocusing system for film and digital SLR cameras,Electrophoresis Operations in Space,a space manufacturing project of the McDonnell Douglas Astronautics Company
1196	EOSAT,Earth Observation Satellite
1197	EOSDIS,(a/i) Earth Observation Satellite Data and Information System
1198	EOTS,Electro-Optical Tactical Sensor,(a/i) Eye Of The Storm (World of Warcraft)
1199	EP,European Parliament
1200	EP,Extended play
1201	EPA,EicosaPentaenoic Acid,Environmental Protection Agency
1202	EPCOT,Experimental Prototype Community Of Tomorrow
1203	EPCR,Endothelial protein C receptor,European Professional Club Rugby
1204	EPGS,EOS Polar Ground Sites
1205	EPIRB,(a/i) Emergency Position Indicating Radio Beacon
1206	EPL,English Premier League
1207	epo,Esperanto language (ISO 639-2 code)
1208	EPOS,Electronic Point Of Sale
1209	EPPA,Employee Polygraph Protection Act
1210	EPR,European Pressurised [Nuclear] Reactor
1211	EPW,Earth Penetrator Weapon/Warhead,Economic and Political Weekly (Indian publication),Enemy Prisoner of War,EQ[edit]
1212	EQ,Emotional Quotient
1213	EQG,Equatorial Guinea (FIFA trigram,but not IOC or ISO 3166)
1214	ER,Emergency Room,Eritrea (ISO 3166 digram; FIPS 10-4 country code)
1215	Er,Erbium
1216	ERA,Earned run average,Engineering Research Associates,Equal Rights Amendment,English Racing Automobiles,European Railway Agency
1217	ERCIM,(a/i) European Research Consortium for Informatics and Mathematics
1218	ERI,Eritrea (ISO 3166 trigram)
1219	ERLAWS,Eastern Ruapehu Lahar Alarm and Warning System
1220	ERN,Eritrean nakfa (ISO 4217 currency code)
1221	EROS,Earth Resources Observation System
1222	ERP,Engineer Regulating Point
1223	ERR,Eesti Rahvusringhääling
1224	ERS,Earth Resources Survey
1225	ERTS,Earth Resources Technology Satellite (became Landsat)
1226	ERV,Endogenous RetroVirus
1227	Es,Einsteinium,Exasecond
1228	ES,El Salvador (FIPS 10-4 country code),Electronic warfare Support,Exasiemens,Spain (ISO 3166 digram; from the country's native name of España)
1229	es,Spanish language (ISO 639-1 code)
1230	ESA,Electro-Spark Alloying,Endangered Species Act,European Space Agency
1231	ESC,Embryonic Stem Cell,Electronic Stability Control
1232	ESD,ElectroStatic Discharge
1233	ESDP,European Security and Defence Policy
1234	ESE,East South-East
1235	ESH,Western Sahara (ISO 3166 trigram)
1236	ESL,English as a Second Language
1237	ESM,Electronic warfare Support Measures
1238	ESO,European Southern Observatory
1239	ESOL,English for Speakers of Other Languages
1240	ESP,Electronic Stability Program,Extra-sensory perception,Spain (ISO 3166 trigram)
1241	ESPGHAN,European Society for Paediatric Gastroenterology,Hepatology and Nutrition
1242	ESPN,Entertainment and Sports Programming Network
1243	EST,Eastern Standard Time (UTC−5 hours),Estonia (ISO 3166 trigram)
1244	est,Estonian language (ISO 639-2 code)
1245	ESU,Emergency Services Unit
1246	ESV,Engineer Support Vehicle
1247	et,Estonian language (ISO 639-1 code)
1248	ET,Ethiopia (ISO 3166 digram; FIPS 10-4 country code)
1249	ETB,Ethiopian Birr (ISO 4217 currency code)
1250	ETF,Emergency Task Force (a special police unit,also jocularly said to stand for Extra-Thick Fuzz)
1251	ETH,Ethiopia (ISO 3166 trigram)
1252	ETI,Extra-Terrestrial Intelligence
1253	ETLA,Extended TLA
1254	ETM,Electronic Technical Manual,Enhanced Thematic Mapper
1255	ETT,Embedded Training Team
1256	eu,Basque language (ISO 639-1 code)
1257	EU,Europa Island (FIPS 10-4 country code),European Union
1258	Eu,Europium
1259	EUCOM,(U.S.) European Command
1260	EUR,euro (ISO 4217 currency code)
1261	eus,Basque language (ISO 639-2 code)
1262	EUUSA,European Union and United States of America
1263	EV,Exavolt
1264	EVA,Earned Value Analysis,Economic value added,Ethylene-Vinyl Acetate,Extra-Vehicular Activity
1265	EVIL,Electronic viewfinder (with) interchangeable lens (a type of digital camera)
1266	EW,Electronic Warfare,Exawatt
1267	ewe,Ewe language (ISO 639-2 code)
1268	EWTN,Eternal Word Television Network
1269	Exatesla,Extra Terrestrial
1270	EXREP,Expeditious Repair (SM&R code)
1271	EZ,Czech Republic (FIPS 10-4 country code),Extraction Zone
1272	F,Farad,Fluorine
1273	f,Femto
1274	fA,Femtoampere
1275	FA,Field Artillery,Financial Aid,Football Association (England)
1276	FA,Food Addicts in Recovery Anonymous
1277	fa,Persian language (ISO 639-1 code)
1278	FAAD,Forward Area Air Defence
1279	FAADEZ,Forward Area Air Defence Engagement Zone
1280	FAAFP,Fellow of the American Academy of Family Physicians
1281	FAAN,Fellow of the American Academy of Neurology
1282	FAAN,Fellow of the American Academy of Nursing
1283	FAAQ,(a/i) Frequently Asked and Anticipated Questions (cf. FAQ)
1284	FAASV,Field Artillery Ammunition Supply Vehicle
1285	FAB,Feline Advisory Bureau (UK feline charity)
1286	FAC,Forward Air Controller,Front of Allies for Change,Frontal Affinity Chromatography,Full Aperture Calibrator
1287	FACA,(US) Federal Advisory Committee Act
1288	FACH,Fuerza Aérea de Chile
1289	FACN,Fellow of the American College of Nutrition
1290	FACP,Fellow of the American College of Physicians
1291	FACS,Fellow of the American College of Surgeons,Formal Aspects of Computing Science,Fluorescent-activated cell sorting
1292	FACTS,Flexible Alternating Current Transmission System
1293	FAD,Flavin Adenine Dinucleotide,Fuck A Duck,Funding Authorization Document
1294	FAH,Federation of American Hospitals,Fine Arts and Humanities,Foreign Affairs Handbook
1295	FAM,Foreign Affairs Manual
1296	fao,Faroese language (ISO 639-2 code)
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	FAS,Federation of American Scientists,Fetal Alcohol Syndrome
1302	fas,Persian language (ISO 639-2 code)
1303	FASCAM,Family of Scatterable Mines[1]
1304	FASD,Fetal Alcohol Spectrum Disorder
1305	FASEB,(a/i) Federation of American Societies for Experimental Biology
1306	FAT,Field Artillery Tractor
1307	FAVS,Future Armoured Vehicle System
1308	FAW,Football Association of Wales
1309	FB,Facebook,An on-line social network
1310	FBCS,Fellow of the British Computer Society
1311	FBIDST,Fellow of the British Institute of Dental and Surgical Technologists
1312	FBIS,Foreign Broadcast Information Service
1313	FBM,Board foot
1314	FBR,Fast Breeder Reactor,Foundation for Biomedical Research,Friedman,Billings,Ramsey (now known as Arlington Asset Investment)
1315	FBS-Federal Bureau of Statistics (Pakistan),Fetal bovine serum,Football Bowl Subdivision (U.S. college football),Fukuoka Broadcasting Corporation,FC[edit]
1316	fC,Femtocoulomb
1317	FC,Fire Control,Football Club,Funnel Cloud (METAR Code)
1318	FCC,U.S. Federal Communications Commission
1319	FCE,First Certificate in English
1320	FCF,Financial Free Cash Flow
1321	FCLA,Fraud Claims Law Associate
1322	FCM,Federation of Canadian Municipalities,Fogarty's Cove Music
1323	FCO,UK Foreign and Commonwealth Office
1324	FCW,Florida Championship Wrestling
1325	FD,Falun Dafa
1326	FDA,Food and Drug Administration (U.S.)
1327	FDBK,(I) Feedback
1328	FDC,Federal Detention Center (U.S.),Fire Direction Centre
1329	FDR,Flight Data Recorder,Franklin Delano Roosevelt
1330	FE,Fully Exposed (armoured vehicle target,as opposed to Hull-Down)
1331	Fe,Iron (Latin Ferrum)
1332	FEAR,First Encounter Assault Recon,False Evidence Appears Real
1333	FEAST,(a/i) Forum for European-Australian Science and Technology Cooperation
1334	FEATS,Festival of European Anglophone Theatrical Societies link title
1335	FEBA,Forward Edge of the Battle Area
1336	FED,(a/i) Field emission display
1337	FEDEP,Federation Development Process (Simulation)
1338	FEF,Frontal Eye Field (neurophysiology)
1339	FEMA-(a/i) Farm Equipment Manufacturers Association,(a/i) U.S. Federal Emergency Management Agency,Fire Equipment Manufacturers' Association
1340	FENS,(a/i) Federation of European Neuroscience Societies
1341	FEP,Firepower Enhancement Program,Fleet satellite (FLTSAT) Extremely high frequency (EHF) Package
1342	FES,Flywheel Energy Storage
1343	FEST,Frankfurt English Speaking Theatre link title
1344	FET,Field-effect transistor
1345	FEZ,(a/i) Fighter Engagement Zone
1346	fF,Femtofarad
1347	FF,Final Fantasy
1348	ff,Fula language (ISO 639-1 code)
1349	FFA,Football Federation Australia,Pacific Islands Forum Fisheries Agency,Free-Fire Area,Fusiform Face Area,Future Farmers of America (today the National FFA Organization)
1350	FFB,Frum From Birth (referring to an observant Jew born into a religiously observant family)
1351	FFC,Free For Chat
1352	FFE,Fukuoka Futures Exchange
1353	FFG,Guided Missile Frigate (hull classification symbol)
1354	FFOV,Forward Field Of View
1355	FFS,For Fuck's Sake
1356	FFT,Final Fantasy Tactics,FG[edit]
1357	FG,Falun Gong
1358	fg,Femtogram
1359	FG,Fog (METAR Code),French Guiana (FIPS 10-4 territory code)
1360	FGR,Flickr Group Roulette
1361	fH,Femtohenry
1362	FHFIF,Foster's Home for Imaginary Friends
1363	FHI,Family Health International,Fuji Heavy Industries,Ltd.
1364	FI,Finland (ISO 3166 digram; FIPS 10-4 country code)
1365	fi,Finnish language (ISO 639-1 code)
1366	FIB,Fucking Illinois Bastard (Wisconsin slang,variants exist)
1367	FIBUA,Fighting In Built-Up Areas
1368	FIC,Fellowship for Intentional Community
1369	FID,Foreign Internal Defence
1370	FIE,Fly-In Echelon
1371	FIFO,First In,First Out
1372	FIFRA,Federal Insecticide,Fungicide,and Rodenticide Act
1373	FIGJAM,Fuck I'm Good,Just Ask Me
1374	fij,Fijian language (ISO 639-2 code)
1375	FIMPT,Fellow of the Institute of Maxillofacial Prosthetists and Technologists
1376	FIN,Finland (ISO 3166 trigram)
1377	fin,Finnish language (ISO 639-2 code)
1378	FIRES,Fever Induced Refractory Epilepsy Syndrome or Febrile Infection-Related Epilepsy Syndrome
1379	FISH,Fluorescence In-Situ Hybridisation
1380	FiST,Fire Support Team
1381	FITS,Flexible Image Transport System
1382	FIU,Florida International University
1383	fJ,Femtojoule
1384	FJ,Fiji (ISO 3166 digram; FIPS 10-4 country code)
1385	fj,Fijian language (ISO 639-1 code)
1386	FJD,Fiji dollar (ISO 4217 currency code)
1387	FJI,Fiji (ISO 3166 trigram)
1388	FJN,Financial Job Network
1389	FK,Falkland Islands (ISO 3166 digram; FIPS 10-4 territory code)
1390	fK,Femtokelvin
1391	FKP,Falkland Islands pound (ISO 4217 currency code)
1392	FKSM,Fort Knox Supplemental Manual
1393	FKT,Fastest Known Time
1394	fL,Femtolitre
1395	FL,Florida (postal symbol)
1396	FLA,Florida,Front Line Assembly,Future Large Aircraft
1397	FLAB,Four-letter abbreviation
1398	FLAC,(a/i) Free Legal Advice Centres
1399	FLAC,(a/i) Free Lossless Audio Codec
1400	FLB,Forward Logistics Base
1401	FLET,(a/i) Forward Line of Enemy Troops
1402	FLG,Falun Gong
1403	FLIP,Flight Information Publication
1404	FLIR,Forward Looking InfraRed (sensor)
1405	FLK,Falkland Islands (ISO 3166 trigram)
1406	FLOT,(a/i) Forward Line of Own Troops
1407	FLQ,Free Legal Questions
1408	FLSA,Fair Labor Standards Act
1409	FLTSAT,Fleet Satellite
1410	FLTSATCOM,Fleet Satellite Communication System
1411	FLUBOS,Fat,Lazy,Useless,Bag Of Shit
1412	FM,Factory Mutual http://fmglobal.com
1413	FM,Federal Magistrate (Australian post-nominal),Federated States of Micronesia (postal symbol; ISO 3166 digram; FIPS 10-4 territory code),Field Manual,Flight Manager,Frequency Modulation (electronics)
1414	fm,Femtometre
1415	Fm,Fermium
1416	FMC,Federal Magistrates' Court (an Australian federal court,formerly FMS),Food Machinery Corporation (original name of the company now known as FMC Corporation)
1417	FMCA,Federal Magistrates' Court of Australia (used for citing decisions of the FMC other than family law decisions)
1418	FMCAfam,Federal Magistrates' Court of Australia: family (used for citing family law decisions of the FMC)
1419	FMCG,(Fast Moving Consumer Goods)
1420	FME,Formal Methods Europe
1421	FMECA,Failure Modes and Effect Criticality Analysis
1422	FMJD,Fédération Mondiale du Jeu de Dames[2]
1423	FMLA,Family Medical Leave Act
1424	fMRI,Functional Magnetic Resonance Imaging
1425	FMSF,False Memory Syndrome Foundation
1426	FMTV,Family of Medium Tactical Vehicles
1427	fN,Femtonewton
1428	FNA,Functional Needs Analysis
1429	fo,Faroese language (ISO 639-1 code)
1430	FOAD,Fuck Off And Die
1431	FOAF,Friend Of A friend
1432	FOB,Forward Operating Base
1433	FoB,Free On Board (shipping)
1434	FOC,Full Operational Capability,First of Class
1435	FoE,Friends of the Earth
1436	FOGC,Federal Oil and Gas Council
1437	FOH,Front Of House
1438	FOIA,Freedom of Information Act
1439	FOM,Federation Object Model
1440	FONSI,Finding of No Significant Impact
1441	FOO,Forward Observation Officer
1442	FOOP,Friends Of Organ Pipes (Volunteer group)
1443	FOR,Field Of Regard,Frame Of Reference
1444	FoS,Family of Systems
1445	FOS,Florida Ornithological Society,Full Operational Status
1446	FOSE,Fallout 3 Script Extender
1447	FOSE,Federal Office Systems Expo
1448	FOT,Free on truck
1449	FOTA,Fellow of the Orthodontic Technicians Association
1450	FOTC,Flight of the Conchords
1451	FOUO,For Official Use Only
1452	FP,French Polynesia (FIPS 10-4 territory code)
1453	FPS,Fire Prevention System
1454	FQ,Baker Island (FIPS 10-4 territory code),French Southern and Antarctic Territories (ISO 3166 digram; obsolete 1979)
1455	FR,France (FIPS 10-4 country code; ISO 3166 digram)
1456	Fr,Francium
1457	fr,French language (ISO 639-1 code)
1458	FRA,Federal Railroad Administration,France (ISO 3166 trigram)
1459	fra,French language (ISO 639-2 code)
1460	FRAND,Fair,reasonable,and non-discriminatory (concept in standards-setting and intellectual property law)
1461	FRCP,Federal Rules of Civil Procedure,Fellow of the Royal College of Physicians
1462	FRICBM,Full Range ICBM
1463	FRO,Faroe Islands (ISO 3166 trigram)
1464	frr,North Frisian language (ISO 639-2 code)
1465	FRS,Fellow of the Royal Society,U.S. Federal Reserve System
1466	FRSA,Fellow of the Royal Society of Art
1467	FRY,Federal Republic of Yugoslavia
1468	fry,West Frisian language (ISO 639-2 code)
1469	fs,Femtosecond
1470	fS,Femtosiemens
1471	FSA,Fire Support Area,UK Food Standards Agency,Functional Solution Analysis
1472	FSC,Federal Supply Classification,Forest Stewardship Council (ecological pressure group
1473	FSCL,Fire Support Co-ordination Line
1474	FSE,Fire Support Element
1475	FSF,Free Software Foundation
1476	FSH,Follicle Stimulating Hormone
1477	FSI,Fuel Stratified Injection
1478	FSM,Federated States of Micronesia (ISO 3166 trigram),Flying Spaghetti Monster (satirical religion)
1479	FSO,Fire Support Officer,Flotilla Staff Officer,Foreign Service Officer
1480	FSS,Fire Support Station
1481	FSSP,Families of Structurally Similar Proteins
1482	FST,Finance Support Team,Finlands Svenska Television (Finland's Swedish-language television),Future Soviet Tank (Cold War era)
1483	FSTC,Foreign Science Technology Center (now NGIC)
1484	fT,Femtotesla
1485	FTC,Federal Trade Commission
1486	FTE,Full Time Equivalent
1487	FTL,Faster Than Light
1488	FTS,Flight Termination System used during some rocket launches
1489	FTS,Fuck That Shit
1490	FTW,For The Win (a commonly used phrase used online to indicate success) F@#K The World,Forever Together Where ever (gang slogan)
1491	FU,Smoke (METAR Code)
1492	FUBAR,Fucked/Fouled Up Beyond All Recognition/Repair
1493	FUCK,For,Unlawful,Carnal,Knowledge (Van Halen album title)
1494	FUD,Fear,Uncertainty & Doubt (marketing strategy)
1495	ful,Fula language (ISO 639-2 code)
1496	fV,Femtovolt
1497	fW,Femtowatt
1498	FW,Forward
1499	FWC,Football World Cup
1500	FWF,Fixed Word Format
1501	FWI,French West Indies
1502	FWIW,For What It's Worth
1503	FWS,U.S. Fish and Wildlife Service
1504	FWT,Fresh Water Tank
1505	FX,Firefox,Fox Extended,Metropolitan France (ISO 3166 digram; obsolete 1997),Special effect
1506	FXX,Metropolitan France (ISO 3166 trigram; obsolete 1997)
1507	FY,Fiscal Year,Former Yugoslav Republic of Macedonia (NATO country code)
1508	fy,West Frisian language (ISO 639-1 code)
1509	FYA,For Your Agenda
1510	FYDP,Five-Year Defense Plan (U.S.)
1511	FYI,For Your Information
1512	FYROM,Former Yugoslav Republic of Macedonia
1513	FZDZ,Freezing Drizzle (METAR Code)
1514	FZFG,Freezing Fog (METAR Code)
1515	FZRA,Freezing Rain (METAR Code)
1516	G,Gauss,General Audiences (movie rating)
1517	g,Gram
1518	G1,Assistant Chief-of-Staff,Personnel
1519	G10,Group of 10 (G7 + Belgium,Netherlands,Sweden,Switzerland; numbering 11 in fact)
1520	G15,Group of 15 (subset of G77,formed 1989: Algeria,Argentina,Brazil,Chile,Egypt,India,Indonesia,Jamaica,Kenya,Nigeria,Malaysia,Mexico,Peru,Senegal,Sri Lanka,Venezuela and Zimbabwe; currently numbers 17)
1521	G2,Assistant Chief-of-Staff,Intelligence
1522	G20,Group of 20 (G8 + Argentina,Australia,Brazil,China,India,Indonesia,Mexico,Saudi Arabia,South Africa,South Korea,Turkey + current European Union presiding country) (1999)
1523	G24,Group of 24 (subset of G77,formed 1971: Algeria,Argentina,Brazil,Colombia,Côte d'Ivoire,Democratic Republic of the Congo,Egypt,Ethiopia,Gabon,Ghana,Guatemala,India,Iran,Lebanon,Mexico,Nigeria,Pakistan,Peru,Philippines,South Africa,Syria,Sri Lanka,Trinidad and Tobago and Venezuela)
1524	G3,Heckler & Koch G3
1525	G4,Generation Four PowerPC microprocessor,Assistant Chief-of-Staff,Logistics
1526	G5,Generation Five PowerPC microprocessor,Assistant Chief-of-Staff,Public Affairs
1527	G6,Assistant Chief-of-Staff,Information Technology,Group of 6 (France,Germany,United States,Japan,United Kingdom,Italy) (1975)
1528	G7,Assistant Chief-of-Staff,Training,Group of 7 (G6 + Canada) (1976)
1529	G77,Group of 77 (issued from the United Nations Conference on Commerce and Development,1964; currently numbers 133)
1530	G8,Assistant Chief-of-Staff,Finance,Group of 8 (G7 + Russia) (1998)
1531	GA,Gabon (ISO 3166 digram),The Gambia (FIPS 10-4 country code),Gamblers Anonymous,Georgia (postal symbol),Gigaampere,Goa (Indian state code)
1532	Ga,Gallium,Gigaannum
1533	GAAR,General Anti-Avoidance Rule (tax evasion)
1534	GAB,Gabon (ISO 3166 trigram)
1535	GABA,Gamma-AminoButyric Acid
1536	GAD,Generalized Anxiety Disorder
1537	GAF,Garfield and Friends
1538	GALCIT,Guggenheim Aeronautical Laboratory,California Institute of Technology
1539	GAO,U.S. Government Accountability Office
1540	GAW,Global Atmospheric Watch
1541	GB,Gabon (FIPS 10-4 country code),United Kingdom of Great Britain and Northern Ireland (ISO 3166 digram) [glamour boy 7-9/10]
1542	GBBC,Great (Global) Backyard Bird Count
1543	GBE,Knight/Dame Grand Cross of the Order of the British Empire
1544	GBH,Great Bash Heel (Japanese professional wrestling stable),Gregory Bonner Hale (British design and advertising agency),Grievous bodily harm
1545	GBP,United Kingdom pound sterling (ISO 4217 currency code)
1546	GBR,United Kingdom of Great Britain and Northern Ireland (ISO 3166 trigram)
1547	GBU,Glide-Bomb Unit,Global Business Unit
1548	GC,East Germany (NATO country code; obsolete 1990),General classification (cycling),General counsel,George Cross (British civil decoration),Gigacoulomb [Grindr cruise]
1549	GCA,Graduate in Claims Administration
1550	GCD,see entry
1551	GCF,Greatest Common Factor
1552	GCI,Ground-controlled interception
1553	GCN,Gamma-ray burst Coordination Network
1554	GCS,Global Coordinate System
1555	GCSE,General Certificate of Secondary Education (UK)
1556	Gd,Gadolinium
1557	GD,Grenada (ISO 3166 digram)
1558	gd,Scottish Gaelic language (ISO 639-1 code)
1559	GDC,Game Developers Conference,General Dental Council
1560	GDL,Game Definition Language
1561	GDP,General Dental Practitioner (UK),Gross Domestic Product
1562	GDR,General Distribution Release (Microsoft Term for a software service release; between Hotfix and Service Pack)
1563	GDR,German Democratic Republic (cf. DDR)
1564	GDW,Game Designers Workshop
1565	GE,General Electric,Genetic Engineering (cf. GM),Georgia (ISO 3166 digram)
1566	Ge,Germanium
1567	GEBCO,General Bathymetric Chart of the Oceans
1568	GEC,Great Engineering Challenge
1569	GED,General Educational Development (high school equivalency credential in the U.S. and Canada)
1570	GEEP,Geophysical Equipment Exploration Platform
1571	GEL,Georgian lari (ISO 4217 currency code),Gilbert and Ellice Islands (ISO 3166 trigram; obsolete 1977)
1572	GEMA,Gas and Electricity Markets Authority,Georgia Emergency Management Agency,Gesellschaft für musikalische Aufführungs,und mechanische Vervielfältigungsrechte (German performance rights organisation),Global Engine Manufacturing Alliance
1573	GEN,Full General (four stars) in the U.S. Army
1574	GEO,Geostationary Earth Orbit,Georgia (ISO 3166 trigram)
1575	GEQ,Equatorial Guinea (IOC trigram,but not FIFA or ISO 3166)
1576	GER,Germany (IOC and FIFA trigram,but not ISO 3166)
1577	GeV,Gigaelectron-volt
1578	GEV,Ground Effect Vehicle
1579	GF,French Guiana (ISO 3166 digram),Gigafarad
1580	GFCF,Gluten-free,casein-free diet,Gross fixed capital formation
1581	GFCI,Ground Fault Circuit Interruptor (aka GFI)
1582	GFE,Girlfriend experience (used in escort services),Good Faith Estimate,Government Furnished Equipment
1583	GFI,Ground Fault Interruptor (aka GFCI)
1584	GFL,German Football League (Germany's Bundesliga for American football; the English-language name is used in German without translation)
1585	GFN,Global Footprint Network
1586	GG,Georgia (FIPS 10-4 country code)
1587	GGK,Good God Karma
1588	GGP,General Game Playing,General Growth Properties (U.S. shopping center owner),GH[edit]
1589	GH,Ghana (ISO 3166 digram; FIPS 10-4 country code),Gigahenry
1590	GHA,Ghana (ISO 3166 trigram)
1591	GHB,gamma-Hydroxybutyric acid
1592	GHC,Ghanan cedi (ISO 4217 currency code)
1593	GI,Galvanised Iron,Gastro-Intestinal,General Issue,Gibraltar (ISO 3166 digram; FIPS 10-4 territory code),Government Issue
1594	Gi,Gibi
1595	GIB,Gibraltar (ISO 3166 trigram)
1596	GIG,Global Information Grid
1597	GIN,Guinea (ISO 3166 trigram),Guidelines International Network
1598	GINK,Going Insane Not Knowing,orig. Colorado 2010 M.Kalfas
1599	GINO,Godzilla In Name Only
1600	GIP,Gibraltar pound (ISO 4217 currency code)
1601	GISS,(a/i) General Impression of Size and Shape,Goddard Institute for Space Studies
1602	GJ,Gigajoule,Grenada (FIPS 10-4 country code),Gujarat (Indian state code)
1603	GJD,Geocentric Julian Day
1604	GK,Gigakelvin,Guernsey (FIPS 10-4 territory code)
1605	gl,Galician language (ISO 639-1 code)
1606	GL,Gigalitre,Graphics Language,Greenland (ISO 3166 digram; FIPS 10-4 territory code),Grenade Launcher
1607	gla,Scottish Gaelic language (ISO 639-2 code)
1608	GLAAD,Gay and Lesbian Alliance Against Defamation
1609	GLAC,General Ledger Accounting Code
1610	GLAST,Gamma-ray Large Area Space Telescope
1611	GLBA,Gramm-Leach-Bliley Act
1612	GLC,Gas-liquid chromatography
1613	gle,Irish language (ISO 639-2 code)
1614	glg,Galician language (ISO 639-2 code)
1615	GLINT,Gallium-arsenide Laser Illuminator for Night TV,Gated Laser Illuminator for Narrow Television,Gated Laser Intensifier (tape),Gospel Literature International,Graphical Linux Installation Tool
1616	GLP,Guadeloupe (ISO 3166 trigram)
1617	GLV,Gained Life Value
1618	glv,Manx language (ISO 639-2 code)
1619	Gm,Gigametre
1620	GMC,U.K. General Medical Council,Gospel Music Channel
1621	GMD,Gambian dalasi (ISO 4217 currency code)
1622	GMFSC,Ground Mobile Forces Satellite Communications
1623	GMI,Generic Model Interface,Geometry Model Instance
1624	GMO,Genetically Modified Organism
1625	GMPCS,Global Mobile Personal Communications by Satellite
1626	GMT,Giant Magellan Telescope,Greenwich Mean Time,GN[edit]
1627	GN,Giganewton,Guinea (ISO 3166 digram)
1628	gn,Guaraní language (ISO 639-1 code)
1629	GNAS,Grand National Archery Society
1630	GNB,Guinea-Bissau (ISO 3166 trigram)
1631	GNF,Guinean franc (ISO 4217 currency code)
1632	GNP,Gross National Product
1633	GNQ,Equatorial Guinea (ISO 3166 trigram)
1634	GnRH,Gonadotropin-Releasing Hormone
1635	GO,Glorioso Islands (FIPS 10-4 territory code)
1636	GOA,General of the Army (United States only)
1637	GOAT,Greatest Of All Time
1638	GOC,General Officer Commanding
1639	GOES,Geostationary Operational Environmental Satellite
1640	GOP,Grand Old Party
1641	GOSC,General Officer Steering Committee
1642	GOSH,Great Ormond Street Hospital
1643	GOSP,Gas/Oil Separation Plant
1644	GOTS,Government off-the-shelf
1645	GPA,Grade Point Average
1646	GPC,Global Path Cache
1647	GPIB,General-Purpose Instrumentation/Interface Bus
1648	GPO,General Post Office
1649	GPPC,Genetics and Public Policy Center
1650	GPR,Ground-Penetrating Radar
1651	GRAIL,Gravity Recovery and Interior Laboratory
1652	GRAS,Generally recognized as safe (FDA list)
1653	GRB,Gamma-Ray Burst
1654	GRC,Greece (ISO 3166 trigram)
1655	GRD,Grenada (ISO 3166 trigram)
1656	GRID,Gay-Related Immune Deficiency (original name of AIDS)
1657	GriT,Girl raised in Texas (Woman presenting firm southern traits/beliefs)
1658	GRL,Greenland (ISO 3166 trigram)
1659	grn,Guaraní language (ISO 639-2 code)
1660	GRP,Graphite-reinforced plastic,see Carbon-fiber-reinforced polymer
1661	GS,General Schedule (US civil service pay scale),General Support,Gigasiemens,South Georgia and the South Sandwich Islands (ISO 3166 digram)
1662	Gs,Gigasecond
1663	GSA,U.S. General Services Administration
1664	GSD,Graphical Situation Display
1665	GSGB,(God send glamour boy 9-10/10)
1666	GSK,GlaxoSmithKline [good sexual karma]
1667	GSN,(a/i) Game Show Network
1668	GSO,General Services Officer (U.S. Department of State)
1669	GSOH,Good Sense Of Humour
1670	GSP,Georges St-Pierre (Canadian MMA fighter)
1671	GSR,Gun Shot Residue
1672	GSS,Generic Security Services
1673	GST,Goods and Services Tax (Australia,Canada,and other countries)
1674	GSW,Gunshot wound
1675	GT,Gigatesla,Gran Turismo,Grand Touring,Guatemala (FIPS 10-4 country code; ISO 3166 digram)
1676	GTB,Get to bed,namely to get a new job after a long time of searching,usually following a phone call
1677	GTC,Gran Telescopio Canarias (Spanish,Canaries Great Telescope)
1678	GTD,Getting Things Done
1679	GTG,Got To Go (Internet chat)
1680	GTGN,Getty Thesaurus of Geographic Names
1681	GTK,Good To Know (Internet chat)
1682	GTM,Guatemala (ISO 3166 trigram)
1683	GTQ,Guatemalan quetzal (ISO 4217 currency code)
1684	GTV,Gross Tumor Volume quetzal (ISO 4217 currency code)
1685	GU,Guam (postal symbol; ISO 3166 digram)
1686	gu,Gujarati language (ISO 639-1 code)
1687	GUA,Guatemala (IOC and FIFA trigram,but not ISO 3166)
1688	GUF,French Guiana (ISO 3166 trigram)
1689	GUILT,Gangliated Utrophin Immuno Latency Toxin
1690	guj,Gujarati language (ISO 639-2 code)
1691	GULCR,Grupo de Usuarios de Linux de Costa Rica
1692	GUT,Grand Unification Theory
1693	GV,Gigavolt,Guinea (FIPS 10-4 country code)
1694	gv,Manx language (ISO 639-1 code)
1695	GW,Games Workshop,Germ Warfare,Gigawatt,Guided Weapon,Guinea-Bissau (ISO 3166 digram)
1696	GWARS,Ground Warfare System (simulation)
1697	GWAS,Grand Western Archery Society
1698	GWOT,Global War on Terrorism
1699	GWS,Gulf War Syndrome,Greater Western Sydney
1700	GXE,Gene-enivronment interaction
1701	GXM,Matrox Graphics eXpansion Module
1702	GxP,Good X Practice (X can mean: clinical,manufacturing,pharmaceutical,etc.)
1703	GXP,Grid Exit Point,Global Xchange Programme,Indication of highest performance level on some Pontiac vehicles
1704	GY,Guyana (FIPS 10-4 country code; ISO 3166 digram)
1705	GYD,Guyana dollar (ISO 4217 currency code)
1706	GZ,Gaza Strip (FIPS 10-4 territory code),Ground Zero
1707	GZK,Greisen-Zatsepin-Kuzmin cut-off (cosmic ray energies)
1708	h,Hecto
1709	H,Henry,Hydrogen
1710	HA,Haiti (FIPS 10-4 country code),High Availability
1711	ha,Hausa language (ISO 639-1 code),Hectare
1712	HAARP,High Frequency Active Auroral Research Program
1713	HAART,Highly Active Anti-Retroviral Therapy
1714	HAI,Human Awareness Institute
1715	HAL,Hardware Abstraction Layer
1716	HALO,High Altitude Low Opening (parachute jump)
1717	HALT,Highly Accelerated Life Test,Hungry Angry Lonely Tired
1718	HAM,Amateur radio operator
1719	HANS,Head And Neck Support (device used in many race cars)
1720	HARM,High-speed Anti-Radiation Missile
1721	hat,Haitian Creole language (ISO 639-2 code)
1722	HAT,Highest Astronomical Tide (nautical charts),Hungarian Automated Telescope
1723	hau,Hausa language (ISO 639-2 code)
1724	HAW,Heavy Antitank Weapon
1725	HAWK,Homing All the Way Killer (air defence system)
1726	HAZ,Heat-Affected Zone
1727	HAZMAT,Hazardous Materials
1728	HBCD,HexaBromoCycloDodecane
1729	HBO,Home Box Office
1730	HBR,Harvard Business Review
1731	HBT,Heterojunction Bipolar Transistor
1732	HBV,Hepatitis B Virus
1733	HCCI,Homogeneous Charge Compression Ignition
1734	HCF,Highest Common Factor
1735	HCSC,Higher Command and Staff Course
1736	HCT,Higher Colleges of Technology,tertiary education institution in the United Arab Emirates (UAE)
1737	HD,Henry Draper (star catalogue),Hull-Down (armoured vehicle target,as opposed to Fully Exposed),High Definition,Huntington's Disease
1738	HDL,High-Density Lipoprotein
1739	HDM,Human Decision-Making
1740	HDR,Henningson,Durham & Richardson (founders of the engineering and construction firm now known by their initials),High dynamic range,a term used in both digital imaging and 3D rendering,Hot Dry Rock (experimental geothermal technology),Human Development Report (UN publication)
1741	HDRA,Henry Doubleday Research Association
1742	he,Hebrew language (ISO 639-1 code)
1743	He,Helium
1744	HE,High Explosive
1745	HEAT,High Explosive Anti-Tank (ammunition)
1746	heb,Hebrew language (ISO 639-2 code)
1747	HEBA,Hellenic Basketball Clubs Association
1748	HEER,High-Explosive Extended Range (ammunition)
1749	HEIC,Honourable East India Company
1750	HEMP,High-Altitude Electromagnetic Pulse
1751	HEO,High Earth Orbit,Highly Elliptical Orbit
1752	HEOSS,High Earth Orbit Space Surveillance
1753	HEP,High-Explosive Plastic (ammunition)
1754	HEPA,(a/i) High-Efficiency Particulate Air (filter)
1755	her,Herero language (ISO 639-2 code)
1756	HESH,High-Explosive,Squash-Head (ammunition)
1757	HESV,Heavy Engineering Support Vehicle
1758	HETT,Heavy Equipment Transporting Truck / Heavy Equipment Truck Tractor
1759	HEU,Highly Enriched Uranium
1760	Hewitts,Hills in England,Wales and Ireland over Two Thousand feet (with topographic prominence of at least 30 m)
1761	Hf,Hafnium
1762	HF,High Frequency
1763	HFE,Human Fertilisation and Embryology (UK Act)
1764	HFE,The common-emitter current gain in a BJT transistor (also represented by βF). See: BJT
1765	HFEA,Human Fertilisation and Embryology Authority (UK)
1766	Hg,Mercury (Latin Hydrargyrum)
1767	HGC,UK Human Genetics Commission
1768	HGF,Human Growth Factor
1769	HGTV,Home & Garden Television
1770	HHB,Ha Ha Bonk,The noise made when you laugh your head off. Used instead of LOL...
1771	HI,Hawaii (postal symbol)
1772	hi,Hindi language (ISO 639-1 code)
1773	HIH,His (or Her) Imperial Highness
1774	HIM,His (or Her) Imperial Majesty
1775	HIMAD,High to Medium Altitude Air Defence (see also H/MAD)
1776	HIMEZ,High Altitude Missile Engagement Zone
1777	HIMYM,How I Met Your Mother
1778	hin,Hindi language (ISO 639-2 code)
1779	HIPAA,U.S. Health Insurance Portability and Accountability Act
1780	Hipparcos,HIgh Precision Parallax COllecting Satellite
1781	Hird,Hurd of interfaces representing depth (cf. HURD)
1782	HiRISE,High Resolution Imaging Science Experiment
1783	HIT,Health Information Technology
1784	HIV,Human Immunodeficiency Virus
1785	HIWT,Hobart Institute of Welding Technology
1786	HJD,Heliocentric Julian Day
1787	HK,Hong Kong (ISO 3166 digram; FIPS 10-4 territory code)
1788	HKD,Hong Kong dollar (ISO 4217 currency code)
1789	HKG,Hong Kong (ISO 3166 trigram)
1790	HKS,HyperKinetic Syndrome
1791	hL,Hectolitre
1792	HL,Holding Line
1793	HLA,High Level Architecture (simulation),Human Leukocyte Antigen
1794	HLL,High-Level Language
1795	HLN,Headline News
1796	HLOS,High Level Output Specification
1797	HLVW,Heavy Logistics Vehicle,Wheeled
1798	HM,Heard Island and McDonald Islands (ISO 3166 digram; FIPS 10-4 territory code)
1799	HMCE,Her/His Majesty's Customs and Excise (former UK government department; succeeded by HM Revenue and Customs)
1800	HMCS,Her/His Majesty's Canadian Ship,Her Majesty's Courts Service (former UK agency; succeeded by Her Majesty's Courts and Tribunals Service)
1801	HMD,Heard and McDonald Islands (ISO 3166 trigram)
1802	HMF,HydroxyMethyl Furfural
1803	HMO,Health maintenance organization
1804	hmo,Hiri Motu language (ISO 639-2 code)
1805	HMP,Her Majesty's Prison
1806	HMRC,Her/His Majesty's Revenue and Customs
1807	HMS,Helmet-mounted display,Her/His Majesty's Ship (Royal Navy)
1808	HMSO,Her Majesty's Stationery Office
1809	HMV,His Master's Voice
1810	HN,Honduras (ISO 3166 digram)
1811	HND,Honduras (ISO 3166 trigram)
1812	HNL,Honduran lempira (ISO 4217 currency code)
1813	ho,Hiri Motu language (ISO 639-1 code)
1814	Ho,Holmium
1815	HO,Honduras (FIPS 10-4 country code)
1816	HOLLAND,Hope Our Love Lasts And Never Dies
1817	HOMES,the Great Lakes; Huron,Ontario,Michigan,Erie,Superior
1818	HONY,Humans of New York,a photoblog.
1819	HOPI,Hybrid Optical and Packet Infrastructure (see Internet2,Abilene Network)
1820	HoReCa,Hotel,Restaurant and Catering
1821	HORIZON,Hélicoptère d'observation radar et d'investigation sur zone (French,Zone Investigation and Radar Observation Helicopter)
1822	HOSTAC,Helicopter Operations from Ships Other Than Aircraft Carriers
1823	HOT,Highly Optimised Tolerance
1824	HOTAS,Hands on throttle-and-stick
1825	HOV,High Occupancy Vehicle
1826	HP,Hewlett-Packard,Hindustan Petroleum,Himachal Pradesh (Indian state code)
1827	hp,horse power
1828	HPA,UK Health Protection Agency
1829	HPCL,Hindustan Petroleum Corporation Limited
1830	HPLC,High Performance Liquid Chromatography
1831	HPT,High[er] Payoff Target
1832	HPV,Human Papilloma Virus
1833	HQ,HeadQuarters,Howland Island (FIPS 10-4 territory code)
1834	HQDA,HeadQuarters,Department of the Army
1835	HR,Croatia (FIPS 10-4 country code; ISO 3166 digram,from the country's native name of Hrvatska),Haryana (Indian state code),Harvard Revised star catalogue,Human Resources
1836	hr,Croatian language (ISO 639-1 code)
1837	HRBL,High-level Representation of Behavior Language (original name of the Herbal language)
1838	HRD,Human Resource Development
1839	HRED,(U.S. Army Research Laboratory's) Human Research and Engineering Directorate (Aberdeen Proving Ground,Maryland)
1840	HRF,High iness Forces
1841	HRH,His (or Her) Royal Highness
1842	HRK,Croatian kuna (ISO 4217 currency code)
1843	HRM,His (or Her) Royal Majesty
1844	HRM,Human Resource Management
1845	HRT,Hormone Replacement Therapy
1846	HRV,Croatia (ISO 3166 trigram),High Resolution Visible,HS[edit]
1847	hrv,Croatian language (ISO 639-2 code)
1848	Hs,Hassium
1849	HSBC,The Hong Kong and Shanghai Banking Corporation
1850	HSC,Higher School Certificate
1851	HSM,High School Musical
1852	HSMAD,Human Science/Modeling and Analysis Data
1853	HSN,Home Shopping Network
1854	HSPH,Harvard School of Public Health
1855	HSS,Health Service Support,High-Speed Steel
1856	HSSI,High-Speed Serial Interface
1857	HST,see entry
1858	HSV,Herpes Simplex Virus,Hue Saturation Value (colour model),HT[edit]
1859	ht,Haitian Creole language (ISO 639-1 code)
1860	HTA,HyperText Application
1861	HTC-High Tech Computer Corporation,original name of the company now known simply as HTC,Horry Telephone Cooperative
1862	HTFU,Harden The Fuck Up
1863	HTG,Haitian gourde (ISO 4217 currency code)
1864	HTH,Hope That Helps
1865	HTI,Haiti (ISO 3166 trigram)
1866	HTML,HyperText Markup Language
1867	HTR,Heated Towel Rail
1868	HTS,High-Temperature Superconducting wire
1869	HTTP,HyperText Transfer Protocol
1870	HU,Hungary (ISO 3166 digram; FIPS 10-4 country code)
1871	HUD,Head-Up Display,Housing and Urban Development
1872	HUF,Hungarian forint (ISO 4217 currency code)
1873	HUHA,Head up his/her ass (Marine salute; probably a backcronym)
1874	hun,Hungarian language (ISO 639-2 code)
1875	HUN,Hungary (ISO 3166 trigram)
1876	HURD,Hird of Unix-Replacing Daemons (cf. Hird)
1877	HV,Upper Volta (ISO 3166 digram; obsolete 1984)
1878	HVAC,Heating,ventilation and air conditioning Used in architecture,business and marketing; refers to a building's entire system of heating,moving,or cooling air.
1879	HVAP,High Velocity Armour Piercing (ammunition)
1880	HVHF,High velocity human factors
1881	HVM,High Velocity Missile
1882	HVO,Upper Volta (ISO 3166 trigram; obsolete 1984)
1883	HVP,HarborView Properties,High vacuum process,Hydrolyzed vegetable protein,Human Variome Project,High Velocity Protection,H.V.P. (rapper),High Voltage Protection,High Vapor Pressure,Hub Voice Processor,High-Velocity Projectile,High-Video Pass,High-Velocity Particle
1884	HW,Hardware,High Water (nautical charts)
1885	HWM,Hardware morphing (computer graphics rendering)
1886	HX,IATA code of Hong Kong Airlines,Medical history,Hydrogen halide,Concept automobile by HUMMER
1887	HXB,The glycoprotein Tenascian C
1888	hy,Armenian language (ISO 639-1 code)
1889	hye,Armenian language (ISO 639-2 code)
1890	HYS,Harvard,Yale,Stanford (perennially named as the top three law schools in the U.S.)
1891	HZ,Haze (METAR Code)
1892	hz,Herero language (ISO 639-1 code)
1893	Hz,Hertz
1894	I,Iodine,One (in Roman numerals)
1895	ia,Interlingua language (ISO 639-1 code)
1896	IA,Iowa (postal symbol)
1897	IAAL,I Am A Lawyer
1898	IAB,International Association for Biologicals
1899	IACREOT,International Association of Clerks,Recorders,Election Officials,and Treasurers
1900	IAD,Ion Assisted Deposition
1901	IADS,Integrated Air Defence System
1902	IAEA,International Atomic Energy Agency
1903	IAF,{i} Industrial Areas Foundation
1904	IAFG,Information Assurance Focus Group
1905	IAI,International African Institute,Israel Aircraft Industries
1906	IANA,Internet Assigned Numbers Authority
1907	IANAL,I Am Not A Lawyer
1908	IAQ,Indoor air quality,Infrequently Asked Questions
1909	IAS,Image Assessment System
1910	IASIP,It's Always Sunny in Philadelphia
1911	IATA,(a/i) International Air Transport Association
1912	IATF,International Automotive Task Force
1913	IATSE,International Alliance of Theatrical Stage Employees
1914	IAU,International Association of Universities,International Astronomical Union
1915	IAUC,International Astronomical Union Circular
1916	IAW,In Accordance With
1917	IB,International Baccalaureate
1918	IBA,Important Bird Area
1919	IBD,Inflammatory Bowel Disease
1920	IBDM,Information Based Decision Making
1921	IBDS,Integrated Biological Detection System,International Business Development Specialist
1922	IBM,International Business Machines
1923	ibo,Igbo language (ISO 639-2 code)
1924	IBRD,International Bank for Reconstruction and Development (part of the World Bank)
1925	IBS,Irritable Bowel Syndrome
1926	IC,Ice Crystals (METAR Code),Iceland (FIPS 10-4 country code),Integrated Circuit,[inner circle]
1927	ICANN,Internet Corporation for Assigned Names and Numbers
1928	ICAO,International Civil Aviation Organization
1929	ICBM,Intercontinental Ballistic Missile
1930	ICBN,International Code of Botanical Nomenclature
1931	ICC,Integrated Command and Control,International Criminal Court,International Cricket Council,Interstate Commerce Commission,International Chamber of Commerce
1932	ICD,Implantable Cardioverter-Defibrillator,Initial Capabilities Document,International Classification of Diseases
1933	ICE,In case of emergency
1934	ICES,(a/i) International Council for the Exploration of the Sea
1935	ICF,Intelligent Community Forum
1936	ICM,Improved Conventional Munition,Integrated Collection Management,International Congress of Mathematicians,Iraq Campaign Medal
1937	ICMP,Internet Control Message Protocol
1938	ICNAF,International Commission for the Northwest Atlantic Fisheries (became NAFO in 1978)
1939	ICNI,Integrated Communication,Navigation,and Identification
1940	ICO,Intermediate Circular Orbit
1941	ICP,Inductively coupled plasma,Insane Clown Posse
1942	ICPE,(a/i) International Conference on Pharmacoepidemiology,the annual conference of the International Society for Pharmacoepidemiology
1943	ICRAF,International Centre for Research in Agroforestry (a.k.a. World Agroforestry Centre since 2002)
1944	ICRISAT,International Crops Research Institute for the Semi-Arid Tropics
1945	ICRL,Individual Component Repair List
1946	ICRS,International Celestial Reference System
1947	ICS,In-Country Support,Intelligence and Communications Systems,Interim Contractor Support
1948	ICSI,Intracytoplasmic Sperm Injection
1949	ICT,Information and communication technologies
1950	ICTH,Island Closest to Heaven/Hell Final Fantasy VIII
1951	ICV,Infantry Carrier Vehicle
1952	ICW,In Co-ordination With,Indonesia Corruption Watch,Infectious and Chemotherapeutic Waste,Insulating Concrete Wall,Integral Crystalline Waterproofing,Interactive Courseware
1953	ICYMI,In Case You Missed It
1954	ICZN,International Code of Zoological Nomenclature,International Commission on Zoological Nomenclature
1955	ID,Idaho (postal symbol),Identity,Indonesia (FIPS 10-4 country code; ISO 3166 digram),Infantry Division,Intelligent Design,ID10T Error,Idiot User Error (IT help desk inside joke)
1956	id,Indonesian language (ISO 639-1 code)
1957	IDA,U.S. Institute for Defense Analyses,International Development Association (part of the World Bank
1958	IDC,International Data Corporation
1959	IDDI,I don't do initialisms (see irony)
1960	IDE,Integrated Development Environment,Integrated Drive Electronics
1961	IDeA,Improvement and Development Agency,the former name of Local Government Improvement and Development in the United Kingdom
1962	IDEA,Individuals with Disabilities Education Act (U.S.),International Data Encryption Algorithm,International Design Excellence Awards
1963	IDF,Israel Defense Forces,Intel Development Forum,International Dairy Federation
1964	IDGAF,I don't give a fuck
1965	IDK,I don't know
1966	IDKIBTI,I don't know,I'm black,that's it
1967	IDL,Interface Definition Language
1968	IDN,Indonesia (ISO 3166 trigram)
1969	ido,Ido language (ISO 639-2 code)
1970	IDR,Indonesian rupiah (ISO 4217 currency code)
1971	IE,Indo-European languages,Internet Explorer,Ireland (ISO 3166 digram),Iced Earth
1972	ie,Interlingue language (ISO 639-1 code)
1973	IEA,International Energy Agency
1974	IEC,International Electrotechnical Commission
1975	IED,Improvised Explosive Device
1976	IELTS,International English Language Testing System
1977	IER,Information Exchange Requirement
1978	IET,Initial Entry Training
1979	IET,Institution of Engineering and Technology
1980	IETF,Internet Engineering Task Force
1981	IEW,Intelligence and Electronic Warfare
1982	IFAB,International Football Association Board
1983	IFAH,International Federation for Animal Health
1984	IFAP,International Federation of Agricultural Producers
1985	IFC,International Finance Corporation (part of the World Bank),Independent Film Channel
1986	IFF,Identification,Friend or Foe,Individually Fresh Frozen,International Flavors and Fragrances
1987	IFFN,Identification,Friend,Foe,or Neutral
1988	IFO,Identified Flying Object (see also UFO)
1989	IFOR,UN Implementation Force,Institute for Operations Research,International Fellowship of Reconciliation
1990	IFOV,Instantaneous Field of View
1991	IFPI,International Federation of Phonographic Industries
1992	IFRB,International Frequency Registration Board
1993	IFV,Infantry Fighting Vehicle
1994	ig,Igbo language (ISO 639-1 code)
1995	IG,Inspector General
1996	IGNOU,Indira Gandhi National Open University
1997	IGS,International Ground Station
1998	IGY,Israeli Gay Youth,International Geophysical Year
1999	IHH,Idiopathic Hypogonadotropic Hypogonadism
2000	IHO,International Hydrographic Organization
2001	IHR,Institute for Historical Review
2002	IHSI,Institutum Historicum Societatis Iesu (Jesuit Historical Institute)
2003	ii,Sichuan Yi language (ISO 639-1 code)
2004	II,Two (in Roman numerals)
2005	IICA,Inter-American Institute for Cooperation on Agriculture
2006	IIE,Innovative Interstellar Explorer
2007	iii,Sichuan Yi language (ISO 639-2 code)
2008	III,Three (in Roman numerals)
2009	IIRC,If I Recall/Remember Correctly
2010	IISS,International Institute for Strategic Studies
2011	IIT,Illinois Institute of Technology,Indian Institutes of Technology,Indiana Institute of Technology
2012	IJN,Imperial Japanese Navy (World War II)
2013	IJWP,Interim Joint Warfare Publication
2014	ik,Inupiaq language (ISO 639-1 code)
2015	IKEA,Ingvar Kamprad (the company's founder),Elmtaryd (the farm where he was born and raised),Agunnaryd (a village and parish near the farm)
2016	iku, Inuktitut language (ISO 639-2 code)
2017	IL,Illinois (postal symbol),Israel (ISO 3166 digram)
2018	ILC,International Law Commission,International Linear Collider
2019	ILDS,Improved Landmine Detection System
2020	ile,Interlingue language (ISO 639-2 code)
2021	ILO,International Labour Organization
2022	ILRI,International Livestock Research Institute
2023	ILS,Israeli shekel (ISO 4217 currency code)
2024	ILY,I Love You [pronounced ILL-LEE]
2025	IM,Isle of Man (FIPS 10-4 territory code),Instant Message (internet speech)
2026	IMA,Intermediate Maintenance Activity,Institute of Mathematics and Applications
2027	IMBD,International Migratory Bird Day
2028	IMDb,Internet Movie Database
2029	IME,In My Experience
2030	IMF,id music file/id's music format (audio file format),Impossible Missions Force,the protagonist organization in the Mission: Impossible media franchise,International Monetary Fund (the most common use for the initialism)
2031	IML,International Mister Leather
2032	IMLAST,International Movement for Leisure Activities in Science and Technology,see MILSET
2033	IMNM,,Immune-mediated necrotizing myopathy a rare,but serious ADR of statins [1]
2034	IMNSHO,In My Not So Humble Opinion
2035	IMPAC,International Merchant Purchase Authorization Card
2036	IMPACT,International Medical Products Anti-Counterfeiting Taskforce
2037	IMPATT,IMPact Avalanche Transit Time diode
2038	IMPT,Institute of Maxillofacial Prosthetists and Technologists
2039	IMRL,Individual Material iness List
2040	IMRO-Internal Macedonian Revolutionary Organization,Irish Music Rights Organisation
2041	IMS,Information Management System,International Meat Secretariat,Ion Mobility Spectrometer
2042	IMSA,Illinois Mathematics and Science Academy,International Mind Sports Association,International Motor Sports Association
2043	IMsL,International Ms. Leather
2044	IMT,Integrated Management Tool
2045	IMU,International Mathematical Union
2046	IN,India (FIPS 10-4 country code; ISO 3166 digram),Indiana (postal symbol),Infantry
2047	In,Indium
2048	INA,Immigration and Nationality Act
2049	ina,Interlingua language (ISO 639-2 code)
2050	INAS,International Near-Earth Asteroid Survey
2051	INCITS,InterNational Committee for Information Technology Standards
2052	IND,India (ISO 3166 trigram)
2053	ind,Indonesian language (ISO 639-2 code)
2054	INDIGO,(U.S.) INtelligence DIvision Gaming Operation
2055	inet,the Internet
2056	INFORMS,(U.S.) Institute for Operations Research and the Management Sciences
2057	INFOSEC,Information Security
2058	INLA,Irish National Liberation Army
2059	INMARSAT,International Maritime Satellite organization
2060	INR,Indian rupee (ISO 4217 currency code)
2061	INRIA,Institut national de recherche en informatique et en automatique
2062	INS,Immigration and Naturalization Service
2063	InSAR,Interferometric synthetic aperture radar
2064	INST,Information Standards and Technology
2065	INTERFET,International Force for East Timor
2066	INTSUM,Intelligence Summary
2067	IO,British Indian Ocean Territory (ISO 3166 digram; FIPS 10-4 territory code)
2068	io,Ido language (ISO 639-1 code)
2069	IOC,Initial Operational Capability,Intergovernmental Oceanic Commission,International Olympic Committee,International Ornithological Congress
2070	IOLTA,Interest on Lawyer Trust Accounts (charitable funding mechanism,especially for legal aid)
2071	IOM,Iowa,Ohio,Michigan (soybean origin),Institute of Medicine,International Organisation for Migration,Isle of Man
2072	IONA,Islands of the North Atlantic (alternate name for Great Britain,Ireland,the Isle of Man,and related islands)
2073	IOT,British Indian Ocean Territory (ISO 3166 trigram)
2074	IP,Clipperton Island (FIPS 10-4 territory code),Initial Point,Intellectual Property,Internet Protocol
2075	IPA,India Pale Ale,International Phonetic Alphabet,Isopropyl alcohol
2076	IPB,Intelligence Preparation of the Battlefield
2077	IPCC,Intergovernmental Panel on Climate Change,Independent Police Complaints Commission
2078	ipk,Inupiaq language (ISO 639-2 code)
2079	IPL,Inferior Parietal Lobule
2080	IPO,Initial Public Offering
2081	IPR,In Progress Review,Intellectual Property Rights,Intelligence Production Requirement
2082	IPT,Integrated Product/Project Team
2083	IPTS,Institute for Prospective Technological Studies
2084	IPTV,Internet Protocol TeleVision
2085	IPW,Interrogation of Prisoners of War
2086	IQ,Intelligence Quotient,Iraq (ISO 3166 digram)
2087	IQD,Iraqi dinar (ISO 4217 currency code)
2088	Ir,Iridium
2089	IRA,Individual Retirement Account,Irish Republican Army (see also List of organisations known as the Irish Republican Army for groups claiming descent from this organisation)
2090	IRAD,Internal Research and Development
2091	IRAN,(I) Inspect and Repair As Necessary
2092	IRAS,Infrared Astronomical Satellite
2093	IRB,International Rugby Board
2094	IRBM,Intermediate Range Ballistic Missile
2095	IRC,International Red Cross,International Reply Coupon
2096	IREA,Intermountain Rural Electric Association
2097	IRINN,Islamic Republic of Iran News Network
2098	IRN,Iran (ISO 3166 trigram)
2099	IRO,International Refugee Organisation
2100	IRQ,Iraq (ISO 3166 trigram)
2101	IRR,Iranian rial (ISO 4217 currency code)
2102	IRS,U.S. Internal Revenue Service
2103	IRST,Infra-red Search and Track
2104	IS,Iceland (ISO 3166 digram),Israel (FIPS 10-4 country code)
2105	is,Icelandic language (ISO 639-1 code)
2106	ISA,Individual Savings Account,Industry Standard Architecture,Instruction Set Architecture,International Seabed Authority
2107	ISAAA,International Service for the Acquisition of Agri-biotech Applications
2108	ISAF,International Sailing Federation,International Security Assistance Force
2109	ISAR,Inverse SAR (Synthetic Aperture Radar)
2110	ISB,Intermediate Staging Base
2111	ISBN,International Standard Book Number (ISO 2108)
2112	ISCCP,International Satellite Cloud Climatology Project
2113	ISCII,Indian Standard Code for Information Interchange
2114	ISDN,Integrated Services Digital Network
2115	ISEF,Intel International Science and Engineering Fair
2116	ISEN,Internet Search Environment Number
2117	ISF,Internal Security Force
2118	ISI-Indian Standards Institute,former name of the Bureau of Indian Standards,Inter-Services Intelligence (Pakistan),Islamic State of Iraq,an umbrella organization for several Iraqi insurgent groups
2119	ISIL,Islamic State of Iraq and the Levant
2120	ISK,Icelandic krona (ISO 4217 currency code)
2121	ISL,Iceland (ISO 3166 trigram)
2122	isl,Icelandic language (ISO 639-2 code)
2123	ISLN,International Standard Lawyer Number (used initially by LexisNexis Martindale-Hubbell)
2124	ISM,Industrial,scientific or medical,Interstellar medium
2125	ISMB,International Society of Matrix Biologists
2126	ISMC,Intelligent Sounding Meaningless Conversation
2127	ISOGP,Indian Society of Orthodontics for General Practitioners [2]
2128	ISP,International Standardized Profile,Internet Service Provider,Information Systems Professional
2129	ISPE,(a/i) International Society for Pharmacoepidemiology
2130	ISR,Intelligence,Surveillance and Reconnaissance,Israel (ISO 3166 trigram)
2131	ISRO,Indian Space Research Organisation
2132	ISS,International Shorebird Survey (North America),International Space Station
2133	ISSCR,International Society for Stem Cell Research
2134	ISSN,International standard serial number (ISO 3297)
2135	IST,Information System Technology,UCF Institute for Simulation and Training
2136	ISTAR,Intelligence,Surveillance,Target Acquisition,and Reconnaissance
2137	ISTC,Institute of Scientific and Technical Communications (UK)
2138	ISTS,Intel Science Talent Search
2139	ISU,Integrated Sight Unit,International Skating Union,IT[edit]
2140	IT,InferoTemporal (neurophysiology),Information Technology,Italy (FIPS 10-4 country code; ISO 3166 digram)
2141	it,Italian language (ISO 639-1 code)
2142	ita,Italian language (ISO 639-2 code)
2143	ITA,Italy (ISO 3166 trigram)
2144	ITAG,Inertial Terrain-Aided Guidance
2145	ITALY,I'll Truly Always Love You
2146	ITAS,Improved Target Acquisition Sight
2147	ITC,InferoTemporal Cortex (neurophysiology)
2148	ITCZ,Intertropical Convergence Zone
2149	ITEC,Information Technology Exposition & Conference
2150	ITEMS,Interactive Tactical Environment Management System
2151	ITER,International Thermonuclear Experimental Reactor
2152	ITF,International Tennis Federation
2153	ITK,In The Know
2154	ITN,Independent Television News (British)
2155	ITS,Incompatible Time-sharing System,Individual Training Standards
2156	ITT,International Telephone and Telegraph (U.S.)
2157	ITTO,International Tropical Timber Organization
2158	ITU,Intent-to-Use,International Telecommunication Union (International Telegraph Union 1865-1932),IU[edit]
2159	iu, Inuktitut language (ISO 639-1 code)
2160	IUCN,International Union for the Conservation of Nature and Natural Resources (World Conservation Union)
2161	IUSS,Integrated Undersea Surveillance System,Integrated Unit Simulation System,International Union of Soil Sciences
2162	IV,Côte d'Ivoire (FIPS 10-4 country code; from Ivory Coast),Four (in Roman numerals),IntraVenous (as in intravenous drip or intravenous therapy)
2163	IVD,Internet Video Device,intra vas device
2164	Iveco,Industrial Vehicles Corporation
2165	IVF,In Vitro Fertilisation
2166	IVI,Interchangeable Virtual Instrument
2167	IVIS,Inter-Vehicle Information System
2168	IVL,Inter-Visibility Line
2169	IVM,In Vitro [Oocyte] Maturation
2170	IVO,In Vicinity Of
2171	IW,Information Warfare
2172	IWARS,Infantry Warrior Simulation
2173	IWC,International Whaling Commission
2174	IWW,Industrial Workers of the World
2175	IX,Nine (in Roman numerals)
2176	IXT,IntraText digital library; IntraText lexical hypertext
2177	IY,Saudi-Iraqi neutral zone (FIPS 10-4 territory code; obsolete 1993)
2178	IZ,Iraq (FIPS 10-4 country code)
2179	J,Joule
2180	J1,Joint [Manpower &] Personnel Directorate
2181	J2,Joint Intelligence Directorate
2182	J2EE,Java 2 Platform,Enterprise ion
2183	J2ME,Java 2 Platform,Micro ion
2184	J2SE,Java 2 Platform,Standard ion
2185	J3,Joint Operations Directorate
2186	J4,Joint Logistics Directorate
2187	J5,Joint Strategic Plans & Policy Directorate
2188	J6,Joint Information Technology Directorate (Command,Control,Communications & Computer Systems)
2189	J7,Joint Operational Plans & Interoperability Directorate
2190	J8,Joint Force Structure,Resources,& Assessment Directorate
2191	JA,Japan (FIPS 10-4 country code)
2192	ja,Japanese language (ISO 639-1 code)
2193	JAFT,Just A Field Test
2194	JAL,Japan Airlines
2195	JALLC,Joint Analysis and Lessons Learned Centre (NATO)
2196	JAM,Jamaica (ISO 3166 trigram)
2197	JAMA,Journal of the American Medical Association
2198	JANET,Joint Academic Network
2199	JANUS,Joint Academic Network Using Satellites (UK),Joint Army Navy Uniform Simulation,Joint Army-Navy Staff,Just ANother Useless Simulation (Note: The U.S. Army Janus simulation is not an acronym)
2200	JATO,Jet-Assisted Take-Off
2201	jav,Javanese language (ISO 639-2 code)
2202	JB,Jail Bait
2203	JB,Junior Branch
2204	JBFSA,Joint Blue Force Situational Awareness
2205	JCDB,Joint Common Data Base
2206	JCDS,Joint Chiefs of the Defence Staff
2207	JCIDS,Joint Capabilities Integration and Development System
2208	JCL,Job Control Language
2209	JCP,Java Community Process
2210	JCPM,Java Child Process Manager,Jesus Christ Prison Ministry
2211	JCS,Joint Chiefs of Staff
2212	JCW,Juggalo Championship Wrestling
2213	JDBC,Java Data Base Connectivity
2214	JDCC,UK Joint Doctrine and Concepts Centre,now the Development,Concepts,and Doctrine Centre,DCDC
2215	JDEM,Joint Dark Energy Mission
2216	JDK,Java Development Kit
2217	JDL,Jewish Defense League
2218	JDM,Japanese domestic market,referring specifically to automobiles and parts,Java Data Mining,Joint design manufacturing,JE[edit]
2219	JE,Jersey (FIPS 10-4 territory code)
2220	JEB,James Ewell Brown (Stuart),John Ellis Bush
2221	JEDP,Jahwist,Elohist,Deuteronomist,Priestly (according to the documentary hypothesis,the sources of the Torah)
2222	JEE,Java Platform,Enterprise ion
2223	JEFX,Joint Expeditionary Force eXperiment
2224	JEPD,Jahwist,Elohist,Priestly,Deuteronomist,Jointly Exhaustive,Pairwise Disjoint
2225	JET,Joint European Torus
2226	JEZ,Joint Engagement Zone
2227	JFACC,Joint Force Air Component Commander
2228	JFACTSU,U.S. Joint Forward Air Control Training and Standards Unit
2229	JFC,Joint Force Commander
2230	JFK,John Fitzgerald Kennedy or the airport named after him.
2231	JFLCC,Joint Force Land Component Commander
2232	JFMCC,Joint Force Maritime Component Commander
2233	JFO,Journal of Field Ornithology
2234	JFSOCC,Joint Force Special Operations Component Commander
2235	JFTX,Joint Field Training Exercise
2236	JH,Japan Highway Public Corporation
2237	JH,Jharkhand (Indian state code)
2238	JI,Joint Implementation
2239	JIB,Joint Information Bureau
2240	JIC,Joint Intelligence Centre
2241	JINI,Java Intelligent Network Infrastructure
2242	JITC,Joint Interoperability Test Command
2243	JIVE,Joint Institute for VLBI (Very Long Baseline Interferometry) in Europe
2244	JJAP,Japanese Journal of Applied Physics
2245	JK,Jedi Knight,Just Kidding,Spanair (IATA airline designator),Jammu & Kashmir (Indian state code)
2246	JL,Japan Airlines (IATA airline designator)
2247	JLA,Justice League of America
2248	JM,Jamaica (FIPS 10-4 country code; ISO 3166 digram)
2249	JMD,Jamaican dollar (ISO 4217 currency code)
2250	JMS,Java Message Service
2251	JN,Jan Mayen Island (FIPS 10-4 territory code)
2252	JNI,Java Native Interface
2253	JNLP,Java Network Launch Protocol
2254	JO,Jordan (FIPS 10-4 country code; ISO 3166 digram)
2255	JOA,(a/i) Joint Operations Area
2256	JOD,Jordanian dinar (ISO 4217 currency code)
2257	JOPES,Joint Operations Planning and Execution System
2258	JOR,Jordan (ISO 3166 trigram)
2259	JOTS,Joint Operations Tactical System
2260	JP,Japan (ISO 3166 digram),Justice of the Peace
2261	JPL,Jet Propulsion Laboratory
2262	JPN,Japan (ISO 3166 trigram)
2263	jpn,Japanese language (ISO 639-2 code)
2264	JPOW,Joint Project Optic Windmill
2265	JPY,Japanese yen (ISO 4217 currency code)
2266	JQ,Jetstar Airways (IATA airline designator),Johnny Quick,Johnston Atoll (FIPS 10-4 territory code),Jonny Quest,Joshua Quagmire
2267	JRA,Japanese Red Army,Joint Rear Area
2268	JRDF,Joint Rapid Deployment Forces
2269	JRE,Java Runtime Environment
2270	JREF,James Randi Educational Foundation
2271	JROC,Joint Requirements Oversight Council
2272	JROCM,JROC Memorandum
2273	JRRF,Joint Rapid Reaction Force
2274	JRSAI,Journal of the Royal Society of Antiquaries of Ireland
2275	JSAP,Japan Society of Applied Physics
2276	JSCSC,Joint Services Command and Staff College
2277	JSEAD,Joint Suppression of Enemy Air Defence (see SEAD)
2278	JSF,Joint Strike Fighter
2279	JSIMS,Joint Simulation System
2280	JSOA,Joint Special Operations Area
2281	JSOTF,Joint Special Operations Task Force
2282	JSP,JavaServer Page
2283	JSP,Joint Services Publication
2284	JSR,Java Specification Request
2285	JSS,Joint Support Ship Project
2286	JT,Johnston Atoll (ISO 3166 digram; obsolete 1986),Junior Technician (RAF)
2287	JTC,Joint Training Confederation
2288	JTF,Joint Task Force
2289	JTFEX,Joint Task Force Exercise
2290	JTLS,Joint Theater Level Simulation
2291	JTMD,Joint Theatre Missile Defence
2292	JTN,Johnston Atoll (ISO 3166 trigram; obsolete 1986)
2293	JU,Juan de Nova Island (FIPS 10-4 territory code)
2294	JUGFET,JUnction Gate Field-Effect Transistor
2295	JUICE,JUpiter ICy Moon Explorer
2296	JUO,Joint Urban Operations
2297	jv,Javanese language (ISO 639-1 code)
2298	JV,Joint Venture,Junior Varsity
2299	JVM,Java Virtual Machine
2300	JW,Jehovah's Witnesses
2301	JWARS,Joint Warfare System (simulation)
2302	JWP,Joint Warfare Publication
2303	JWST,James Webb Space Telescope
2304	JY,Japanese Yen
2305	JZ,Joint Zone
2306	K,Kelvin,Potassium (Latin Kalium),Tanker (aircraft designation code)
2307	k,Kilo-
2308	K,picokelvin
2309	K9,Canine Police Unit
2310	ka,Georgian language (ISO 639-1 code)
2311	Ka,Kamov Design Bureau
2312	kA,Kiloampere
2313	KA,Knowledge Acquisition,Karnataka (Indian state code)
2314	KAF,Kandahar Air Field
2315	kal,Kalaallisut language (ISO 639-2 code)
2316	kan,Kannada language (ISO 639-2 code)
2317	KARNAC,Knowledge Aided Retrieval in Activity Context
2318	KARR,Knight Automated Roving Robot (Knight Rider character)
2319	kas,Kashmiri language (ISO 639-2 code)
2320	kat,Georgian language (ISO 639-2 code)
2321	KATUSA,Korean Augmentation To United States Army
2322	kau,Kanuri language (ISO 639-2 code)
2323	kaz,Kazakh language (ISO 639-2 code)
2324	KAZ,Kazakhstan (ISO 3166 trigram)
2325	KBE,Knight Commander of the Order of the British Empire
2326	KBO,Kuiper Belt Object
2327	KBVB,Koninklijke Belgische Voetbalbond (Dutch for Royal Belgian Football Association)
2328	kC,Kilocoulomb
2329	KCL,King's College London
2330	KCS,Kansas City Southern Railway (AAR reporting mark)
2331	KD,Kawasaki Disease,Kraft Dinner
2332	KE,Kenya (FIPS 10-4 country code; ISO 3166 digram),Kinetic Energy,Knowledge Engineering
2333	KEDO,Korean Peninsula Energy Development Organization
2334	KEN,Kenya (ISO 3166 trigram)
2335	KERA,Kentucky Education Reform Act (of 1990)
2336	kerma,Kinetic Energy Released in MAterial / in MAtter / per unit MAss
2337	KES,Kenyan shilling (ISO 4217 currency code),Killer Elite Squad (Japanese professional wrestling stable)
2338	KESR,Kent and East Sussex Railway.
2339	KET,Kentucky Educational Television,Key English Test,KF[edit]
2340	kF,Kilofarad
2341	KFC,Kentucky Fried Chicken
2342	KFOR,UN Kosovo Force
2343	KFUPM,King Fahd University of Petroleum & Minerals
2344	kg,Kilogram,Kongo language (ISO 639-1 code)
2345	KG,Kyrgyzstan (FIPS 10-4 country code; ISO 3166 digram)
2346	KGO,Knight of the Guelphic Order of Hanover
2347	KGS,Kyrgyz som (ISO 4217 currency code)
2348	KGZ,Kyrgyzstan (ISO 3166 trigram)
2349	KH,Cambodia (ISO 3166 digram)
2350	kH,Kilohenry
2351	KHL,Kontinental Hockey League
2352	KHM,Cambodia (ISO 3166 trigram)
2353	khm,Khmer language (ISO 639-2 code)
2354	KHR,Cambodian riel (ISO 4217 currency code)
2355	KHz,Kilohertz
2356	ki,Gikuyu language (ISO 639-1 code)
2357	Ki,Kibi
2358	KI,Kiribati (ISO 3166 digram)
2359	KIA,Killed In Action
2360	KIDS,Knowledge-based Integrated Design System
2361	kik,Gikuyu language (ISO 639-2 code),common typo for LOL
2362	kin,Kinyarwanda language (ISO 639-2 code)
2363	KIR,Kiribati (ISO 3166 trigram)
2364	kir,Kyrgyz language (ISO 639-2 code)
2365	KISS,Keep It Simple,Stupid / Keep It Short and Simple,Korean Intelligence Support System
2366	KIT,Keep In Touch
2367	KITECH,Korean Institute of Industrial Technology
2368	KITT,Knight Industries Two Thousand,Knight Industries Three Thousand
2369	kJ,Kilojoule
2370	kj,Kuanyama language (ISO 639-1 code)
2371	kk,Kazakh language (ISO 639-1 code)
2372	kK,Kilokelvin
2373	KKK,Ku Klux Klan
2374	kl,Kalaallisut language (ISO 639-1 code)
2375	kL,Kilolitre
2376	KL,Kuala Lumpur,Kerala (Indian state code)
2377	KLENOT,KLEť Observatory Near Earth and Other unusual objects observations Team and Telescope
2378	KLOC,Kilo Lines Of Code
2379	KM,Comoros,Knowledge Management
2380	km,Khmer language (ISO 639-1 code),Kilometre
2381	KMF,Comoro franc (ISO 4217 currency code)
2382	KMR,Kwajalein Missile Range
2383	KN,Democratic People's Republic of Korea (FIPS 10-4 country code),Saint Kitts and Nevis (ISO 3166 digram)
2384	kn,Kannada language (ISO 639-1 code)
2385	kN,Kilonewton
2386	KNA,Saint Kitts and Nevis (ISO 3166 trigram)
2387	KNVB,Koninklijke Nederlandse Voetbal Bond (Dutch for Royal Dutch Football Association)
2388	KO,Knocked Out
2389	ko,Korean language (ISO 639-1 code)
2390	kom,Komi language (ISO 639-2 code)
2391	kon,Kongo language (ISO 639-2 code)
2392	kor,Korean language (ISO 639-2 code)
2393	KOR,Republic of Korea (ISO 3166 trigram)
2394	KP,Kim Possible
2395	KPMG,Klynveld,Peat,Marwick,Goerdeler
2396	KPNO,Kitt Peak National Observatory
2397	KPW,North Korean won (ISO 4217 currency code)
2398	KQ,Kenya Airways (IATA airline designator),Kingman Reef (FIPS 10-4 territory code)
2399	kr,Kanuri language (ISO 639-1 code)
2400	KR,Kiribati (FIPS 10-4 country code),Republic of Korea (ISO 3166 digram)
2401	Kr,Krypton
2402	KRW,South Korean won (ISO 4217 currency code)
2403	KS,Kansas (postal symbol),Republic of Korea (FIPS 10-4 country code)
2404	ks,Kashmiri language (ISO 639-1 code),Kilosecond
2405	kS,Kilosiemens
2406	KSC,Kennedy Space Center
2407	KSI,Killed or Seriously Injured
2408	KSM,Korean Service Medal,Khalid Sheikh Mohammed
2409	KSU,Kansas State University
2410	KT,Christmas Island (FIPS 10-4 territory code),Knight of the Order of the Thistle,Knights Templar
2411	kT,Kilotesla
2412	KTS,Knight of the Tower and Sword (of Portugal)
2413	ku,Kurdish language (ISO 639-1 code)
2414	KU,Kuwait (FIPS 10-4 country code)
2415	kua,Kuanyama language (ISO 639-2 code)
2416	KUL,Katholieke Universiteit Leuven (Flemish,Catholic University of Leuven)
2417	kur,Kurdish language (ISO 639-2 code)
2418	KUW,Kuwait (UNDP country code,IOC and FIFA trigram,but not ISO 3166)
2419	kV,Kilovolt
2420	kv,Komi language (ISO 639-1 code)
2421	KV,Kosovo
2422	KVM,Keyboard,Video,Mouse switch
2423	kw,Cornish language (ISO 639-1 code)
2424	kW,Kilowatt
2425	KW,Kuwait (ISO 3166 digram)
2426	KWB,Kids' WB!
2427	KWD,Kuwaiti dinar (ISO 4217 currency code)
2428	KWT,Kuwait (ISO 3166 trigram)
2429	KX,Cayman Airways (IATA airline designator)
2430	KY,Cayman Islands (ISO 3166 digram),Kentucky (postal symbol)
2431	ky,Kyrgyz language (ISO 639-1 code)
2432	KYD,Cayman Islands dollar (ISO 4217 currency code)
2433	KZ,Kazakhstan (FIPS 10-4 country code; ISO 3166 digram)
2434	KZN,KwaZulu-Natal
2435	KZT,Kazakh tenge (ISO 4217 currency code)
2436	La,Lanthanum
2437	LA,Laos (FIPS 10-4 country code; ISO 3166 digram),Louisiana (postal symbol),Los Angeles
2438	la,Latin language (ISO 639-1 code)
2439	LAAS,Local Area Augmentation System,Los Angeles Astronomical Society
2440	LAB,Logistics Assault Base
2441	LabVIEW,Laboratory Virtual Instrumentation Engineering Workbench
2442	LACMA,(a/i) Los Angeles County Museum of Art
2443	LAD,Laser Aiming Device
2444	LADW,Local Air Defence Warning
2445	LAESI,Local Authority & Emergency Service Information
2446	LAK,Laotian kip (ISO 4217 currency code)
2447	LAMP,(multiple meanings)
2448	LAN,Local Area Network
2449	LANL,Los Alamos National Laboratory
2450	lao,Lao language (ISO 639-2 code)
2451	LAO,Laos (ISO 3166 trigram)
2452	LAR,Light Armoured Reconnaissance,Logistics Assistance Representative
2453	LARC,Livermore Advanced Research Computer (cf. LLNL)
2454	LARP,Live-Action Role-Playing
2455	LAS,McCarran International Airport (Las Vegas,Nevada)
2456	Laser,Light Amplification by Stimulated Emission of Radiation (cf. Maser)
2457	lat,Latin language (ISO 639-2 code)
2458	LATA,Local Access Transport Area
2459	LATCH,Lower Anchors and Tethers for Children (U.S. standard for attachment points for child safety seats in passenger cars)
2460	LAV,Land Assault Vehicle,Light Armoured Vehicle,Lymphadenopathy-Associated Virus
2461	lav,Latvian language (ISO 639-2 code)
2462	LAW,Light Antitank Weapon
2463	LAX,Los Angeles International Airport,The Latin American Xchange (professional wrestling),LB[edit]
2464	LB,Lebanon (ISO 3166 digram)
2465	lb,pound (Latin librum),Luxembourgish language (ISO 639-1 code)
2466	LBH,Light Battlefield Helicopter,Lyman-Birge-Hopfield bands
2467	LBJ,Lady Bird Johnson,LeBron James,Light Bulb Joke,Little Beagle Johnson (the dog owned by Lyndon and Lady Bird Johnson),Lyndon Baines Johnson
2468	LBN,Lebanon (ISO 3166 trigram)
2469	LBNL,Lawrence Berkeley National Laboratory
2470	LBP,Lebanese pound (ISO 4217 currency code)
2471	LBR,Liberia (ISO 3166 trigram)
2472	LBS,Location-Based Services
2473	lbs,pounds (plural form of lb,see above)
2474	LBT,Large Binocular Telescope
2475	LBW,Leg Before Wicket
2476	LBY,Libya (ISO 3166 trigram)
2477	LC,Line of Contact,Saint Lucia (ISO 3166 digram)
2478	LCA,Saint Lucia (ISO 3166 trigram)
2479	LCC,Land Component Commander
2480	LCCP,Light Contingency Communications Package
2481	LCD,Liquid Crystal Display
2482	LCE,Leaving Certificate Examination,Load Carrying Equipment,London Commodity Exchange
2483	LCM,Least/Lowest Common Multiple
2484	LCol,Lieutenant-Colonel (Canada,UK)
2485	LCS,League of Legends Championship Series
2486	LD,Laser Designator,Limited Deployment,Line of Departure
2487	LDA,Lateral Drift Apparatus (paratroops)
2488	LDC,Lesser Developing/Developed Country
2489	LDL,Low-Density Lipoprotein
2490	LDV,Local Defence Volunteers (British Home Guard)
2491	LDW,Lane Departure Warning (ADAS)
2492	LE,Lebanon (FIPS 10-4 country code)
2493	LEC,Local Exchange Carrier
2494	LED,Light-Emitting Diode
2495	LEGAD,Legal Advice
2496	Legs,level emotion gad speed
2497	LEMOSS,Long-Endurance MObile Submarine Simulator
2498	LEN,Large Extension Node
2499	LEP,Large Electron-Positron collider
2500	LER,Loss-Exchange Ratio

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