cd

1. InternetabbreviationAbbreviation of could.

plural cds

1. InternetabbreviationcountableuncountableAbbreviation of condom.

plural CDs

1. abbreviationcountableinitialismuncountableInitialism of compact disc.

   I misplaced the software installation CD.

   1 more example

   Called Compact Discs (CD for short) and expected to enter the market by 1983, they play an hour per side and are virtually indestructible.

   1980 April 13, Allan Kozinn, “The Future is Digital”, in The New York Times, →ISSN

   1. countabledatedmetonymicallyuncountableAn album; a collection of musical recordings (or, occasionally, other audio such as spoken word).

      Mariah Carey's new CD has some R'n'B influences.

2. abbreviationarchaiccountableinitialismuncountablediplomacyInitialism of corps diplomatique, the diplomatic corps of a particular country.

   Along the route to Tanyin flowed a fast stream of staff and C.D. cars.

   1955, Graham Greene, The Quiet American

   1 more example

   Jake lengthened his stride and crossed the road in front of a double-parked car, large, black and with CD plates.

   1978, Kingsley Amis, Jake's Thing, Vintage, published 2007, page 8

3. abbreviationcountableuncountablebusinessAbbreviation of certificate of deposit.

   Banks may offer premium rates on C.D.s to attract deposits, but once they get those deposits, they end the offers.

   2023 April 21, Ann Carrns, “Rates on C.D.s Are Soaring, but the High Rates May Not Last”, in The New York Times, →ISSN

4. abbreviationcountableinitialismuncountablebusinessInitialism of creative director, head of the creative department (for example of an advertising agency).
5. abbreviationcountableinitialismuncountablebusinessInitialism of corporate design, specific design features of a company, corporate identity CI.
6. abbreviationcountableinitialismuncountablecomputingInitialism of collision detection.
7. abbreviationcountableinitialismuncountablenauticalInitialism of chart datum.
8. abbreviationcountableinitialismuncountableInitialism of cross-dresser.
9. abbreviationcountableinitialismuncountableInitialism of cross-dressing.
10. abbreviationcountableinitialismphysicaluncountablequantum mechanicschemistryInitialism of circular dichroism.
11. abbreviationcountableinitialismuncountablebiochemistryInitialism of cluster of differentiation.
12. abbreviationcountableuncountablevideo gamesAbbreviation of cooldown.
13. UKabbreviationcountableinitialismuncountablelawInitialism of controlled drug.
14. abbreviationcountableuncountablemedicineAbbreviation of Crohn's disease.
15. abbreviationcountableinitialismuncountablecomputingInitialism of continuous delivery/deployment.

present singular third person CDs · participle present CDing · participle past CDed · past CDed

1. abbreviationinitialismInitialism of cross-dress.

   By now I did not feel right without a bra and panties whenever I CD'ed.

   1993 January 5, Tierney Dhewitrei, “about me, is it familiar?”, in alt.transgendered (Usenet)

plural cDs

1. astronomya type of giant elliptical galaxy