চূপ , প্রকৃতি বিরক্ত হচ্ছে। 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