Definition of compact disc in English:

compact disc

Line breaks: com|pact disc
(abbreviation: CD)

noun

A small plastic disc on which music or other digital information is stored in the form of a pattern of metal-coated pits from which it can be read using laser light reflected off the disc: [mass noun]: all the recordings have been reissued on compact disc
More example sentences
  • In the case of an audio compact disk, the sampling is done 44,100 times a second.
  • A new compact disk featuring some great traditional entertainers was recently launched.
  • The floppy disk has several replacements, including writeable compact discs and keychain flash memory devices.

Definition of compact disc in:

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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal