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.
hertz / hərts/ (abbr.: Hz) • n. (pl. same) the SI unit of frequency, equal to one cycle per second.
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.
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Hertzler, John 1949- (Garman Hertzler, J. G. Hertzler, John G. Hertzler, John Garman Hertzler, John Noah Hertzler, John Herzler)