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单词 hertzes
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WordReference Random House Unabridged Dictionary of American English © 2024
hertz  (hûrts),USA pronunciation n., pl. hertz, hertz•es. 
  1. Physicsthe SI unit of frequency, equal to one cycle per second. Abbr.: Hz
  • named after H. R. Hertz 1925–30

Hertz  (hûrts, hârts; Ger. herts),USA pronunciation n. 
    Gu•stav  (gŏŏstäf ),USA pronunciation 1887–1975, German physicist: Nobel prize 1925.Hein•rich Ru•dolph  (hīnriкнro̅o̅dôlf ),USA pronunciation 1857–94, German physicist. Hertz•i•an  (hûrtsē ən, hârt-),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
hertz /hɜːts/ n ( pl hertz)
  1. the derived SI unit of frequency; the frequency of a periodic phenomenon that has a periodic time of 1 second; 1 cycle per second
    Symbol: Hz
Etymology: 20th Century: named after Heinrich Rudolph Hertz
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