Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Memory hardware that allows fast access to permanently stored data but prevents addition to or modification of the data.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • initialism electronics, computing read-only memory.
  • initialism video games A software image of read-only memory (as of a game cartridge) used in emulation.
  • initialism medicine Range of Motion.
  • initialism finance Return on Margin.
  • initialism Rough order of magnitude. An informal cost or price estimate provided for planning and budgeting purposes only, typically expected to be only 75% accurate.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[r(ead-)o(nly) m(emory).]

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Examples

Comments

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  • ROM is the computer term for Read Only Memory. ROM is very useful in electronic systems when the power goes off! Anything stored in ROM (programs or data) will be available when power is restored.

    June 12, 2009

  • Royal Ontario Museum

    September 13, 2015