giga·​hertz ˈji-gə-ˌhərts How to pronounce gigahertz (audio)
ˈgi- How to pronounce gigahertz (audio)
plural gigahertz
: a unit of frequency equal to one billion hertz

Examples of gigahertz in a Sentence

Recent Examples on the Web One vision for 6G is to use new-to-cellular frequencies ranging from 100 gigahertz up into terahertz frequencies. IEEE Spectrum, 16 Nov. 2023 Those networks work at frequencies between about 1 to 6 gigahertz, while experts say 5G sits closer to the band between 24 and 90 gigahertz. Kevin Cortez, Popular Mechanics, 17 Feb. 2023 The newer machine also comes with a Wi-Fi 6E module and can access the 6 gigahertz spectrum, allowing for downloads up to three times faster, depending on the connection. Gene Park, Washington Post, 9 Nov. 2023 This means processing speeds in devices based on them could reach femtoseconds, a million times as fast as the speeds achievable with current gigahertz electronics. IEEE Spectrum, 6 Nov. 2023 Its four processor cores moved from ARM’s Cortex-A72 to the newer Cortex-A76, and the CPU clock speed has increased from 1.8 to 2.4 gigahertz. IEEE Spectrum, 10 Oct. 2023 While radio signals range from 3 hertz to 3,000 gigahertz, near-infrared laser signals are around 300 terahertz—which is why engineers can pack so much more data into them. IEEE Spectrum, 2 Oct. 2023 Such transmission would nevertheless have been subject to the limitation of the electronic repeaters, likely a few gigahertz at most. IEEE Spectrum, 26 July 2023 The researchers successfully received information from the tattoos using a broadband modem at 900 megahertz and 2.45 gigahertz. IEEE Spectrum, 12 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gigahertz.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of gigahertz was in 1964

Dictionary Entries Near gigahertz

Cite this Entry

“Gigahertz.” Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

Kids Definition


giga·​hertz -ˌhərts How to pronounce gigahertz (audio) -ˌhe(ə)rts How to pronounce gigahertz (audio)
: a unit of frequency equal to one billion hertz
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