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gigahertz

American  
[gig-uh-hurts, jig-] / ˈgɪg əˌhɜrts, ˈdʒɪg- /

noun

gigahertz, plural gigahertzes plural
  1. one billion hertz. GHz


gigahertz British  
/ ˈɡɪɡəˌhɜːts, ˈdʒɪɡ- /

noun

  1.  GHz.  a unit of frequency equal to 10 9 hertz

"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

gigahertz Scientific  
/ gĭgə-hûrtz′ /
  1. A unit of frequency equal to one billion (10 9) hertz.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of gigahertz

First recorded in 1960–65; giga- + hertz

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The proposal would set aside two-thirds of the 2 gigahertz MSS frequency band for commercial use, with one-third for secure government communications.

From The Wall Street Journal May 27, 2026

Traditional SAW devices typically max out at around 4 gigahertz, making the new system far faster.

From Science Daily Jan. 17, 2026

It was a reported microwave transmission varying between 2.5 and 4 gigahertz directed at the Embassy of the United States, Moscow from 1953 to 1976, resulting in an international incident.

From Salon Apr. 23, 2024

SKA-Low will detect frequencies between 50 megahertz and 350 megahertz and SKA-Mid will pick up frequencies between 350 megahertz and 15.4 gigahertz.

From Scientific American Dec. 6, 2022

“Ben started off as a Cray XC40 supercomputer with a two-point-one gigahertz Xeon processor,” Monty explained.

From "City Spies" by James Ponti

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