Definition of gigabyte in English:

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Pronunciation: /ˈɡiɡəˌbīt/
(abbreviation GB)


A unit of information equal to one billion (109) or, strictly, 230 bytes.
Example sentences
  • We used to measure data in terms of kilobytes and megabytes; now gigabytes and terabytes are the terms commonly discussed.
  • I am sure there must be millions like me who are mystified by bytes, megabytes, gigabytes or whatever they are called.
  • Hard disk capacity is measured in gigabytes - a gigabyte being roughly 1,000 megabytes.

For editors and proofreaders

Syllabification: gig·a·byte

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