megabyte Hear it!

megabyte definition

mega·byte (-bīt′)

noun

  1. a unit of storage capacity in a computer system, equal to 1,048,576 (2) bytes
  2. loosely one million bytes

Etymology: mega- + byte

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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