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2 definitions found
 for Compact Disc Recordable
From WordNet (r) 3.0 (2006) :

  compact disc recordable
      n 1: a compact disc on which you can write only once and
           thereafter is read-only memory [syn: CD-R, compact disc
           recordable, CD-WO, compact disc write-once]

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

  Compact Disc Recordable
      (CD-R) A write-once version of CD-ROM.  CD-Rs can
     hold about 650 megabytes of data.  They are very durable and
     can be read by normal CD-ROM drives, but once data has been
     written it cannot be altered.
     Standard prerecorded CDs have their information permanently
     stamped into an aluminium reflecting layer.  CD-R discs have a
     dye-based recording layer and an additional golden reflecting
     Digital information is written to the disc by burning
     (forming) pits in the recording layer in a pattern
     corresponding to that of a conventional CD.
     The laser beam heats the substrate and recording layer to
     approximately 250 C.  The recording layer melts and the
     substrate expands into the space that becomes available.
     Phillips: New Technologies
     See also CD-RW and DVD-RAM.

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