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[gig-uh-hurts, jig-] /ˈgɪg əˌhɜrts, ˈdʒɪg-/
noun, plural gigahertz, gigahertzes.
one billion hertz.
Abbreviation: GHz.
Origin of gigahertz
1960-65; giga- + hertz Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for gigahertz
  • Instead, it's the gigahertz that are hot in a thriller that treats technology as its biggest turn-on.
  • Currently, the fastest transistors--found in telecommunication technology--are clocked at a couple hundred gigahertz.
  • In high-energy accelerators, switching the voltage happens several billion times per second, or gigahertz frequencies.
British Dictionary definitions for gigahertz


/ˈɡɪɡəˌhɜːts; ˈdʒɪɡ-/
noun (pl) -hertz
a unit of frequency equal to 109 hertz GHz
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
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gigahertz in Science
A unit of frequency equal to one billion (109) hertz.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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gigahertz in Technology

(GHz) Billions of cycles per second.
The unit of frequency used to measure the clock rate of modern digital logic, including microprocessors.

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