plural hertz
: a unit of frequency equal to one cycle per second
abbreviation Hz

Examples of hertz in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In contrast, fight species — which stand their ground when attacked and include humpback, grey and bowhead whales — sing at higher frequencies, often over 1,500 hertz, which can easily be detected by killer whales. Brendan Rascius, Miami Herald, 18 Feb. 2025 In just thousandths of a second, an FRB can emit as much energy as the sun does over three days, typically at a radio frequency of about 1,400 hertz. John Loeffler, Space.com, 7 Feb. 2025 In practice, one of the most recent incidents was in 2021, when approximately 3 GW of power were unexpectedly lost in Poland, causing the grid frequency to drop by 0.16 hertz. Dan Goodin, Ars Technica, 23 Jan. 2025 However, the brand’s monitor announced at last year’s CES ultimately retailed for $1,400 while having fewer hertz and other features confirmed for this latest screen, Gizmodo reported. Martin Lerma, Robb Report, 30 Dec. 2024 See All Example Sentences for hertz

Word History

Etymology

Heinrich R. Hertz

First Known Use

circa 1928, in the meaning defined above

Time Traveler
The first known use of hertz was circa 1928

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Cite this Entry

“Hertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hertz. Accessed 27 Feb. 2025.

Kids Definition

: a unit of frequency equal to one cycle per second
abbreviation Hz

Medical Definition

hertz

noun
: a unit of frequency equal to one cycle per second
abbreviation Hz

Biographical Definition

Hertz 1 of 2

biographical name (1)

ˈherts How to pronounce Hertz (audio)
ˈhərts
Gustav Ludwig 1887–1975 German physicist

Hertz

2 of 2

biographical name (2)

Heinrich Rudolf 1857–1894 German physicist

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