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单词 ohm
释义

WordReference Random House Learner's Dictionary of American English © 2024
ohm /oʊm/USA pronunciation   n. [countable]
  1. Electricitythe international unit or measure of electrical resistance.

WordReference Random House Unabridged Dictionary of American English © 2024
ohm  (ōm),USA pronunciation n. 
  1. Electricitythe SI unit of electrical resistance, defined to be the electrical resistance between two points of a conductor when a constant potential difference applied between these points produces in this conductor a current of one ampere. The resistance in ohms is numerically equal to the magnitude of the potential difference. Symbol: Ω
  • 1861; named after German. south, southern. Ohm
ohm•ic  (ō′mik),USA pronunciation adj. 
Ohm  (ōm),USA pronunciation n. 
    Ge•org Si•mon: (gā ôrk′ zē′môn)USA pronunciation 1787–1854, German physicist.
Collins Concise English Dictionary © HarperCollins Publishers::
ohm /əʊm/ n
  1. the derived SI unit of electrical resistance; the resistance between two points on a conductor when a constant potential difference of 1 volt between them produces a current of 1 ampere
    Symbol: Ω
Etymology: 19th Century: named after Georg Simon Ohm
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更新时间：2025/2/23 5:07:58