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nounthe unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)
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Definition that contains hz
- philharmonic pitch the pitch used to tune instruments for concert performances; usually assigns 440 Hz to the A above middle C
- concert pitch the pitch used to tune instruments for concert performances; usually assigns 440 Hz to the A above middle C
- international pitch the pitch used to tune instruments for concert performances; usually assigns 440 Hz to the A above middle C