cd

Noun · Adjective
US[see-dee]/ˌsiˈdi/2 syllables

Open English WordNet

Noun (4)cds

  1. a debt instrument issued by a bank; usually pays interestSynonyms: certificate of depositType of debt instrument, obligationKinds time deposit
  2. a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laserSynonyms: compact diskcompact discType of optical disk, recordingKinds CD-R, audio CD, CD-ROM
  3. a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc oresSynonyms: cadmiumatomic number 48Type of metallic element, metalSubstance of hemimorphite, calamine
  4. the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees KelvinSynonyms: candlecandelastandard candleType of luminous intensity unit, candlepower unit

Adjective (1)

  1. being one hundred more than three hundredSynonyms: four hundred400Opposite ordinalSimilar cardinal
Word of the day · Nov 15About this word

a state or condition markedly different from the norm

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Webster's Dictionary (1913)

Cd noun

1. the chemical symbol for cadmium, a metallic element of atomic number 48. Syn. — cadmium.

2. the abbreviation for the candela, the basic unit of luminous intensity adopted under the System International d'Unites. abbr. Syn. — candle, candela, standard candle.


CD noun

1. an acronym for compact disk, a disk-shaped recording of binary data that is smaller than a phonograph record, and is recorded and played back by a compact disk player, an electronic device containing a laser. The term is also used generically to refer to the medium as a data storage medium. Syn. — compact disc, compact disk.

2. a compact disk player. informal

3. an acronym for certificate of deposit, a debt instrument issued by a bank for a fixed time period, usually paying interest. Syn. — certificate of deposit.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54 · with additions: +PJC, GCIDE editors, WordNet 1.5

Free On-line Dictionary of Computing

cd

1.<operating system> change directory.

2.<networking> The country code for the Democratic Republic of the Congo (formerly Zaire, zr).

(1999-01-27)


Compact Disc CD

<storage> (CD) (Not "disk", this spelling is part of the standard).

A 4.72 inch disc developed by Sony and Philips that can store, on the same disc, still and/or moving images in monochrome and/or color; stereo or two separate sound tracks integrated with and/or separate from the images; and digital program and information files.

The same fabrication process is used to make both audio CDs and CD-ROMs for storing computer data, the only difference is in the device used to read the CD (the player or drive).

CD Information Center (http://cd-info.com/cd-info/CDInfoCenter.html).

(1999-06-23)

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