Simple Definition of hertz

from our Learner's Dictionary

hertz

noun

ˈhɚts How to pronounce hertz (audio)
plural hertz
technical : a unit used for measuring the frequency of sound waves
—abbr. Hz

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“Hertz.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/hertz. Accessed 19 Jun. 2026.

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