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.
Like Meissner and Krause corpuscles, these sensors are tuned to vibration, but at much higher frequencies — as high as 1,000 hertz. Ariel Bleicher, Quanta Magazine, 16 Apr. 2025 After a bit of trial and error, the team induced the cicadas to produce specific musical notes over more than three octaves, ranging from 27.5 hertz to 261.6 hertz. Jennifer Ouellette, ArsTechnica, 2 May 2025 The alternating current going through power lines in the US cycles at a frequency of 60 hertz. Umair Irfan, Wired News, 26 Apr. 2025 The display is also limited to FHD+ resolution at 120 hertz, but realistically there’s no need to support more than that since most streaming services cap out at 1080P anyway. Anshel Sag, Forbes.com, 7 Apr. 2025 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

Browse Nearby Words

Cite this Entry

“Hertz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hertz. Accessed 3 Jun. 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

More from Merriam-Webster on hertz

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!