CD-ROM

[see-dee-rom]
noun
a compact disk on which a large amount of digitized read-only data can be stored.
Compare ROM.


Origin:
c(ompact) d(isk) r(ead-)o(nly) m(emory)

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
CD-ROM (-ˈrɒm)
 
n
compact disc read-only memory; a compact disc used with a computer system as a read-only optical disk

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

CD-ROM
1983, in computer jargon; also cd-rom; from compact disc read-only memory.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
CD-ROM   (sē'dē'rŏm')  Pronunciation Key 
A compact disk containing permanently stored data that cannot be altered.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

CD-ROM definition


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.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage
Abbreviations & Acronyms
CD-ROM
  1. compact disc—read-only memory

  2. consumer device, rendered obsolete in months

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences for cdrom
This version of the catechism is available on audio cdrom as well.
There was some incompatibility with cdrs and older cdrom drives.
For cdrom data discs, the physical frame and sector sizes are the same.
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