hertz
SayHURTS/hɝts/UK/hɜːts/
Pluralhertz, hertzes
- 1A unit that measures how many times something happens each second.
Like counting how many times a wheel spins all the way around in one second.
A frequency of one hertz means something happens once every second.
Human ears can hear sounds from about twenty hertz up to twenty thousand hertz.
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Origin
Named after the German physicist Heinrich Rudolf Hertz (1857–1894).