Main Entry: watt

Pronunciation: \ˈwät\

Function: noun

Etymology: James Watt †1819

Date: 1882

: the absolute meter-kilogram-second unit of power equal to the work done at the rate of one joule per second or to the power produced by a current of one ampere across a potential difference of one volt : ¹⁄₇₄₆ horsepower