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gigabit

[gig-uh-bit, jig-]
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noun Computers.
  1. a measure of storage capacity and data transfer equal to 1 billion (109) bits.
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Origin of gigabit

First recorded in 1965–70; giga- + bit3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for gigabit

gigabit

noun
  1. computing one million bits
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

gigabit in Science

gigabit

[gĭgə-bĭt′]
  1. One billion bits.
  2. 1,073,741,824 (that is, 230) bits. See Note at megabyte.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.