cd-rom


cd-rom

noun

  1. a compact disk on which a large amount of digitized read-only data can be stored.

noun

  1. 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.

  1. 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.)

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