giga·​hertz | \ ˈji-gə-ˌhərts How to pronounce gigahertz (audio) , -ˌherts, ˈgi- How to pronounce gigahertz (audio) \
plural gigahertz

Definition of gigahertz

: a unit of frequency equal to one billion hertz

Examples of gigahertz in a Sentence

Recent Examples on the Web

The concerns center around the impacts of 5G use of a nearby band, 24.25 to 24.45 gigahertz, and whether those transmissions could bleed over to disrupt the weather equipment. Hal Bernton, The Seattle Times, "High-stakes dispute turns nasty, pits 5G technology against weather forecasting," 6 Aug. 2019 Instead, the team opted for maximum sensitivity and designed their detectors to receive a single frequency: 150 gigahertz. Quanta Magazine, "‘Big Bang Signal’ Could All Be Dust," 21 Sep. 2014 Other wireless industry experts cite opportunities above 3.5 gigahertz, where several other countries have marked frequencies for 5G use. Sarah Krouse, WSJ, "5G Push Slowed by Squabbles Over ‘Sweet Spot’ of U.S. Airwaves," 20 June 2019 That band — 24 gigahertz — sits right next to one that federal scientists use to detect water vapor emissions in the atmosphere. Susanne Rust,, "Will Trump’s 5G push interfere with forecasting deadly storms in California and U.S.?," 20 June 2019 Officials at other agencies, including the Department of Commerce and National Aeronautics and Space Administration, warn that those airwaves—specifically those above 24 gigahertz—could scramble nearby readings... Drew Fitzgerald, WSJ, "Meteorologists Worry 5G Expansion Could Interfere With Weather Forecasts," 14 May 2019 The airwaves to be sold are in frequency bands known as the upper 37 GHz, or gigahertz, the 39 GHz and 47 GHz. Todd Shields, The Seattle Times, "5G airwaves coming to market in broadest sale yet, FCC says," 12 Apr. 2019 Processing speed for CPUs is measured in gigahertz. Peter Martin, Popular Mechanics, "The Very Best Laptops of 2018," 15 Nov. 2018 The Bluetooth’s wavelength, around 2.44 gigahertz, is really crowded especially in the city. Alexander George, Popular Mechanics, "Why Your Bluetooth Headphones Don’t Work Right," 5 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gigahertz.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of gigahertz

1964, in the meaning defined above

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Last Updated

12 Aug 2019

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Time Traveler for gigahertz

The first known use of gigahertz was in 1964

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of or relating to the heavens

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