AA - Automobile Association, Alcoholics Anonymous.
AAA- American Automobile Association; Amateur Athletic Association
A&A -Accident and emergency
A&R -artists and repertoire
ABC -American Broadcasting Company
ABH -actual bodily harm
ABS -anti-lock braking system
ABTA- Association of British Travel Agents
AC -air conditioning
AC -alternating current
a/c -account; air conditioning
AD,AD -Anno Domini
ADD -attention deficit disorder
ADHD -attention deficit hyperactivity disorder
ADSL -asymmetric digital subscriber line
AGM -annual general meeting
AH,AH -Anno Hegirae
AI -artificial insemination; artificial intelligence
AIDS -Acquired Immune Deficiency Syndrome
aka -also known as
AM,am -amplitude modulation
AAM,AM -between midnight and midday (from latin 'ante meridiem)
anon -anonymous
AOB -any other business
APB -all-points bulletin
Apex,APEX -Advanced Purchase Excursion
approx -approximate, approximately
arr -annual percentage rate
ARR -arrives; arrival ; arranged by
ASBO -antisocial behaviour order
ASCII -American Standard Code for Information Interchange.
ASSOC -Association
Asst,Asst -Assistant
ATM -automated teller machine
ATV -all-terrain vehicle
Ave -Avenue
B2B -Business-to-Business
BAFTA -British Academy of Film and Television Arts
BBC -British Broadcasting Corporation
BBQ -barbecue
BC,BC -Before Christ
BCE -Before the common Era
BEC - Business English Certificate
BEd,BEd -Bachelor of Education
BLT -bacon, lettuce and tomato
BLVD -Boulevard
BO- body odour
BROSS -Brothers
BSC,BS - Bachelor of Science
BSE- Bovine spongiform encephalopathy
BST - British Summer Time
BTW - by the way
b/w -black and white
CAD -computer-aided design
AE -Certificate in Advanced English
CAL- computer assisted learning
CALL- computer assisted language learning
CB -Citizen's Band
CBE -Commander (of the Order) of the British Empire
CBS -Columbia Broadcasting System
cc -carbon copy (to); cubic centimeter(s)
CCTV -closed circuit television
CD -compact disk
CD-I -compact disc interactive
CD-RW -compact disc rewritable
CE,CE -Common Era
CE,C,OFE -Church of England
CELTA -Certificate in English Language Teaching to Adults
CEO -Chief executive officer
cf -compare
CFC -Chlorofluorocarbon
CGI- computer-generated imagery
CIA -Central Intelligence Agency
CID --Criminal Investigation department
CJD - Creutzfeldt-Jakob disease
CND -Campaign for Nuclear Disarmament
CNN -Cable News Network
CO- Commanding Officer
Co -Company , County
c/o -care of
COD - cash on delivery ; collect on delivery continued
cont-contd continued
corp - Corporation
CPE- Certificate of Proficiency in English
CPI - Consumer price index
CPR -Cardiopulmonary resuscitation
ct,ct -Court
CT,CT- carat; cent(s)
CV -Curriculum vitae
DA,DA -District Attorney
DAT -digital audiotape
DC -Direct current; District of Columbia
DELTA -Diploma in English Language Teaching of Adults
Dept,Dept- Depart(s); departure
DEPT- department
DI- Detective Inspector
DIY- do-it-yourself
DJ -Disc jockey; dinner jacket
DOB - date of birth
doz -dozen