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Meaning of watt-hour

watt-hour

Pronunciation: (wot'our", -ou"ur), [key]
— n.
  1. a unit of energy equal to the energy of one watt operating for one hour, equivalent to 3600 joules. Abbr.: Wh
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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