hertz

views updated May 29 2018

hertz (symbol: Hz) The SI unit of frequency. A periodic phenomenon has a frequency of one hertz if each cycle of the phenomenon repeats itself in a period of one second. A megahertz (MHz) is one million (106) hertz; a gigahertz (GHz) is 1000 million (109) hertz.

A Dictionary of Computing JOHN DAINTITH

hertz

views updated May 17 2018

hertz (symbol Hz) SI unit of frequency named after German physicist Heinrich Hertz. A periodic phenomenon with a period of one second (such as one oscillation per second) is equivalent to 1Hz.

World Encyclopedia

hertz

views updated May 21 2018

hertz / hərts/ (abbr.: Hz) • n. (pl. same) the SI unit of frequency, equal to one cycle per second.

The Oxford Pocket Dictionary of Current English

hertz

views updated May 18 2018

hertz Symbol Hz. The SI unit of frequency equal to one cycle per second. It is named after Heinrich Hertz (1857–94), a German physicist.

A Dictionary of Biology

hertz

views updated May 29 2018

hertz (electr.) frequency of one cycle per second. f. name of H. R. Hertz (1857–94), G. physicist.

The Concise Oxford Dictionary of English Etymology T. F. HOAD

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