Recent Examples of hertz from the Web
In technical terms, power systems in Europe, and much of Asia and Africa, run on alternating current at 50 hertz, meaning that the flow of electricity changes directions 50 times per second.
Monica Gagliano at the University of Western Australia has gathered evidence that some plants may also emit and detect sounds, and in particular, a crackling noise in the roots at a frequency of 220 hertz, inaudible to humans.
Hamilton took one for a spin down the ice, and the data was instantaneous — line graphs along with a slew of numbers that showed his force in pounds and his stroke rate in hertz.
That's a frequency 10,000 times lower than what humans can pick up; our hearing threshold starts around 20 hertz.
At full capacity, Turbine 6 can produce 15 megawatts of 60 hertz, commercial-grade electricity.
The blinking lights, which run at 40 hertz, or 40 times a second, are less reminiscent of a strobe in a club, and more like the twinkling of stars, says Li-Huei Tsai, author of the study, which appeared in Nature.
Finally, multiply that result by the frequency expressed in hertz or 2,450,000,000 (2.45 X 109 for my son who is just learning scientific notation).
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hertz.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Definition of Hertz
HERTZ Defined for English Language Learners
Definition of hertz for English Language Learners
: a unit used for measuring the frequency of sound waves
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