watt

¹

[ wot ]

noun

1. the standard unit of power in the International System of Units (SI), 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. : W, w.

Watt

²

[ wot ]

noun

1. James, 1736–1819, Scottish engineer and inventor.

Watt

¹

/ wɒt /

noun

1. WattJames17361819MScottishTECHNOLOGY: engineerTECHNOLOGY: inventor James. 1736–1819, Scottish engineer and inventor. His fundamental improvements to the steam engine led to the widespread use of steam power in industry

watt

²

/ wɒt /

noun

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 ^–3horsepower W

Watt

¹

1. British engineer and inventor who patented a much improved version of the steam engine (1769) and devised the unit of horsepower. The watt unit of power is named for him.

watt

²

/ wŏt /

1. The SI derived unit used to measure power, equal to one joule per second. In electricity, a watt is equal to current (in amperes) multiplied by voltage (in volts).

watt

1. The basic unit of power , named after the eighteenth-century Scottish inventor James Watt .

Word History and Origins

Origin of watt¹

First recorded in 1882; named after J. Watt

Word History and Origins

Origin of watt¹

C19: named after James Watt