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Definition of hertz

hertz

/ˈhɜːrts/
hertz
Plural:hertz
•
Adjective:hertzian
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hertz Lexical Profile

hertz Game Scores & Validity

• noun

1

The derived International System of Units (SI) unit of frequency, equal to one cycle or oscillation per second (symbol: Hz).

Example

"The human ear can typically detect sound waves ranging in frequency from about 20 hertz to 20,000 hertz."

Word Nuance & Usage

Following international conventions for SI units named after scientists, the full word 'hertz' is written in lowercase, whereas its symbol 'Hz' is capitalized. Its plural form is most commonly invariant ('60 hertz'), though 'hertzes' occasionally appears.

• Rhymes for hertz

• Nearby Words

herringbone
hers
herself
hertz
hesitance
hesitancy
hesitant

Word Origin & Etymology

Coined in the early 20th century and officially adopted into the International System of Units (SI) in 1960, named in honor of the German physicist Heinrich Rudolf Hertz (1857–1894), who first conclusively proved the existence of electromagnetic waves.

Cite this Entry

Wordmom. (2026). Definition of Hertz. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/hertz
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