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a compact disk on which a large amount of digitized read-only data can be stored.
compact disc read-only memory; a compact disc used with a computer system as a read-only optical disk

1983, in computer jargon; also cd-rom; from compact disc read-only memory.
A compact disk containing permanently stored data that cannot be altered.

An acronym for compact disc-read only memory. Commonly known as CDs, these plastic discs hold information that can be read by laser. (Compare magnetic tape.)

Compact Disc Read-Only Memory
compact disc-read-only memory
consumer device, rendered obsolete in months


Read Also:

  • CD single

    a compact disk, usually three inches in diameter, containing one or two popular songs. Contemporary Examples

  • Cd tilde

    /C-D til-d*/ To go home. From the Unix C shell and Korn-shell command “cd ~”, which takes one to one’s “$HOME” directory. “cd” with no arguments does the same thing. [Jargon File] (1994-10-28)

  • Cd-e

    compact disc-erasable

  • Cd writer

    noun (computing) a device on a computer for writing CDs

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