Reference Terms
from Wikipedia, the free encyclopedia


The hertz (symbol: Hz) is the SI unit of frequency.

One hertz simply means "one per second" (1 / s); 100 Hz means "one hundred per second", and so on.

Note:   The above text is excerpted from the Wikipedia article "Hertz", which has been released under the GNU Free Documentation License.
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November 29, 2015

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updated 12:56 pm ET