watt-hour Hear it!

watt-hour definition

watt·-hour (wät′o̵ur′)

noun

a unit of electrical energy or work, equal to one watt acting for one hour, or 3,600 joules

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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