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单词 watt
释义

WordReference Random House Learner's Dictionary of American English © 2024
watt /wɑt/USA pronunciation   n. [countable]
  1. Electricitya unit of electrical power equivalent to one joule per second.Abbr.: W, w

WordReference Random House Unabridged Dictionary of American English © 2024
watt  (wot),USA pronunciation n. 
  1. Electricitythe SI unit of power, equivalent to one joule per second and equal to the power in a circuit in which a current of one ampere flows across a potential difference of one volt. Abbr.: W, w.
  • named after J. Watt 1882

Watt  (wot),USA pronunciation n. 
  1. Biographical James, 1736–1819, Scottish engineer and inventor.

Collins Concise English Dictionary © HarperCollins Publishers::
watt /wɒt/ n
  1. the derived SI unit of power, equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a potential difference of 1 volt. 1 watt is equivalent to 1.341 × 10–3 horsepower
    Symbol: W
Etymology: 19th Century: named after James Watt
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更新时间：2025/2/23 6:40:12