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Hertz

(Science: unit) unit of frequency equal to one complete oscillation (cycle) per second.

Abbreviation: hz german physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975).The unit of frequency; one hertz has a periodic interval of one second.German physicist who was the first to produce electromagnetic waves artificially (1857-1894).A unit measuring the cycles or frequency of an occurrence every second, i.e. the standard refresh rate of a standard computer monitor is 50Hertz, meaning 50 individual still pictures of the screen are transmitted every second.