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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 observations covered frequencies from 1 to 9 gigahertz, a range suitable for detecting narrowband radio transmissions.

From Science Daily Jun. 23, 2026

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

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

In an interview, he explained the biggest issue involves a spectrum called 24 gigahertz, which weather satellites use to monitor natural microwave signals produced by water vapor at various levels in the atmosphere.

From Scientific American Aug. 3, 2021

“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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