| a |
altitude intercept (Ho~Hc); altitude factor (change of altitude in 1 minute of time from meridian transit); assumed. |
| 3G |
Third Generation |
| 6EAP |
Sixth environment action programme (EU) |
| 90Sr |
strontium 90 |
| A |
amplitude; augmentation; away (altitude intercept); Arctic/Antarctic (air mass). |
| a |
semimajor axis. |
| A.L.R.S. |
Admiralty List of Radio Signals |
| AA |
Alcoholics Anonymous |
| AAFI |
The Amateur Ahletics Federation of India |
| AAI |
Airport Authority of India |
| AAPI |
American Association of Physicians from India |
| ABAND |
abandoned. |
| ABC |
Atomic biological and Chemical; Audit Bureau of Circulations |
| AC |
alternating current; altocumulus. |
| AC-10 |
accession country |
| AC-13 |
all 13 accession countries |
| ACC |
Antarctic Circumpolar Current. |
| ACEA |
European automobile manufacturers association |
| ACGR |
Annual Compound Growth Rate |
| ACR |
Annual Confidential Report |
| AD |
Anno Domini (in the year of our Lord) |
| ADAPT |
Able Disabled All People Together |
| ADC |
Aide-de-camp (help or assistant) |
| add’l |
additional. |
| ADF |
automatic direction finder. |
| ADIZ |
air defense identification zone. |
| ADTA |
Avoidance of Double Taxation Treaty |
| AEB |
acquisition exclusion boundary. |
| AEPS |
Arctic Environmental Protection Strategy |
| AERO |
aeronautical. |
| AF |
audio frequency. |
| AFC |
automatic frequency control. |
| AFI |
Athletics Federation of India |
| AFIT |
Agence française de l’ingénierie touristique |
| AFMC |
Armed Forces medical College |
| AFP |
Agence France-Presse |
| AG |
Accountant General; Adjutant General |
| AGC |
automatic gain control. |
| AGRIND |
Agriculture Related industries |
| AI |
Air India |
| AICPI(IW) |
All India Consumer Price Index (Industrial Workers) |
| AICTE |
All India Council for Technical Education |
| AID |
Association for India s Development |
| AIDS |
Acquired Immune Deficiency Syndrome |
| AIF |
American Indian Foundation |
| AIFF |
All India Football Federation |
| AIIMS |
All India Institute of medical Sciences |
| AIPAC |
The American Israel Public Affairs Committee |
| Airbase |
European air quality information system (EEA) |
| AISM |
Association Internationale de Signalisation Maritime (International Association of Lighthouse Authorities). |
| AITUC |
All India Trade Union Congress |
| AJJDC |
The American Jewish Joint Distribution Committee |
| aL |
assumed latitude. |
| al |
assumed longitude. |
| Al., Alt, |
alternating (light). |
| ALE |
Arbitrary-Lagrangian-Evlerian |
| AM |
amplitude modulation., ante meridian (before noon). |
| am |
amber. |
| AMAP |
Arctic Monitoring and Assessment Programme |
| AMCBO |
Association of Major City/County Building Officials |
| Amfl |
Association of Mutual Funds of India |
| AMVER |
Automated Mutual-assistance Vessel Rescue system. |
| ANC |
African National Congress |
| Anch |
anchorage. |
| ANERT |
Agency for Non-conventional Energy and Rural Technology |
| ANMS |
Automated Notice to Mariners System. |
| ANSYS |
finite element model |
| antilog |
antilogarithm. |
| ANZUS |
Australia, New Zerland, US (Pacific Pact Natins) |
| AOC |
Air Officer Commanding |
| AP |
assumed position. |
| APDRP |
Accelerated Power Development Reform Programme |
| APEC |
Asia Pacific Economic Cooperation |
| APM |
Administered Price Mechanism |
| APMC |
Agricultural Produce Market Committee |
| approx. |
approximate, approximately. |
| ARM |
Additional Revenue Measures |
| ARPA |
automatic radar plotting aid. |
| ARPANET |
Advanced Research Project Agency Network |
| ARV |
Annual Rental Value |
| ARWSP |
Accelerated Rural Water Supply Programme |
| ASAM |
anti-ship action message. |
| ASAP |
as soon as possible |
| ASEAN |
Association of South East Asian nations |
| ASF |
Additional Secondary Phase Factor. |
| ASI |
Annual Survey of Industries |
| ASLV |
Augmented Satellite Launch Vehicle |
| ASSOCHAM |
Associated Chamber of Commerce and Industry |
| ASTO |
Association of Sea Training Organizations |
| AT |
atomic time. |
| ATC |
Air Traffic Control |
| ATM |
Automated Teller Machine, Adobe type manager |
| ATR |
action taken report |
| ATS |
Anti-Tetanus Serum |
| AU |
astronomical unit. |
| AUSREP |
Australian Ships Reporting System. |
| AVF |
Availability Factor |
| AWACS |
Airborne Warning And Control System |
| AWBI |
Animal Welfare Board of India |
| AWR |
Annual Water Resource Per Capita |
