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

Example Sentences

I handed her the hydrangea and she immediately smiled and the entire historic, high-ceilinged ticketing concourse lighted up 1,000 watts.

From Los Angeles Times

For cyclists, body weight and watts per kilogram are key to how they perform.

From BBC

The otherworldly presence that put a 10-million watt spotlight on college women’s basketball?

From Seattle Times

Now, the couple get paid for every watt of electricity they generate, harvesting the equivalent of $10,000 per year that Shi can track through an app on her phone.

From Seattle Times

Current global energy production is almost 18 terawatts, meaning that at any given moment, about 18 trillion watts of power is being produced on average worldwide.

From Science Daily