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Definitions of hertz
  1. noun
    the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)
  2. noun
    German physicist who was the first to produce electromagnetic waves artificially (1857-1894)
  3. noun
    German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975)
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