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Related to giga-: Giga-byte
giga-() Symbol: G. A prefix to a unit, indicating a multiple of 109 of that unit. For example, one gigahertz is 109 hertz.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
(science and technology)
A prefix representing 109, which is 1,000,000,000, or a billion. Abbreviated G. Also known as kilomega-(deprecated usage).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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