[gig-uh-bit, jig-]
noun Computers.
a measure of storage capacity and data transfer equal to 1 billion (10 9 ) bits.

1965–70; giga- + bit3 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
gigabit (ˈɡɪɡəˌbɪt, ˈɡaɪɡəˌbɪt)
computing one million bits

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
gigabit   (gĭg'ə-bĭt')  Pronunciation Key 
  1. One billion bits.

  2. 1,073,741,824 (that is, 230) bits. See Note at megabyte.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

gigabit definition

2^30 bits, 1,073,741,824 bits.
See prefix.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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Example sentences
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