- a compact disk on which a large amount of digitized read-only data can be stored.
Origin of CD-ROM
c(ompact) d(isk) r(ead-)o(nly) m(emory)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- compact disc read-only memory; a compact disc used with a computer system as a read-only optical disk
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for cd-rom
1983, in computer jargon; also cd-rom; from compact disc read-only memory.
Online Etymology Dictionary, © 2010 Douglas Harper
- A compact disk containing permanently stored data that cannot be altered.
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