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3 definitions found
 for compact disc
From The Collaborative International Dictionary of English v.0.48 :

  compact disc \com"pact disc`\, compact disk \com"pact
  disk`\(k[o^]m"p[a^]kt d[i^]sk`), n.
     a disk-shaped optical data storage medium approximately 4-3/4
     in. in diameter, which stores binary data as microscopic
     nonreflective holes or pits in an otherwise reflective
     surface, and is recorded and played back by rotation in an
     electronic device containing a laser. It is often referred to
     by its abbreviation CD. It is a type of optical data storage
     medium. Compact disks are used for recordings of music as
     well as of data for computer applications.
     Syn: CD.
          [WordNet 1.5 +PJC]

From WordNet (r) 3.0 (2006) :

  compact disc
      n 1: a digitally encoded recording on an optical disk that is
           smaller than a phonograph record; played back by a laser
           [syn: compact disk, compact disc, CD]

From The Free On-line Dictionary of Computing (30 December 2018) :

  Compact Disc
      (CD) (Not "disk", this spelling is part of the
     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

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