Definition of megabyte in English:

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Pronunciation: /ˈmeɡəˌbīt/
(abbreviation Mb or MB)


A unit of information equal to 220 bytes or, loosely, one million bytes.
Example sentences
  • We used to measure data in terms of kilobytes and megabytes; now gigabytes and terabytes are the terms commonly discussed.
  • Here is a quick explanation of bytes, megabytes, and so on, and some estimates of the storage requirements of various sorts of information.
  • The software requires only five megabytes of hard disk space and 16 megabytes of random access memory (Ram).

For editors and proofreaders

Syllabification: meg·a·byte

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