watt

noun

ˈwät 

: 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

Examples of watt in a Sentence

Recent Examples on the Web

The next model in the lineup boosts those figures to 750 watts and 45 km/h (28 mph). —Ben Coxworth, New Atlas, 28 Apr. 2025

The Bowers & Wilkins Diamond Surround Sound System in the 2025 BMW X7 has 20 speakers, including Diamond Dome tweeters, 1,500 watts of power, and 10 fully active amplification channels, designed for an immersive, high fidelity sound experience. —Tony Leopardo, Mercury News, 27 Apr. 2025

Over the past two months, the state Senate has passed bills seeking to drastically restrict where wind and solar can be built, and to require every watt of new solar that is brought online to be accompanied by a watt of new gas. —Saul Elbein, The Hill, 24 Apr. 2025

There’s also 200 watts of solar panels on the roof and four AGM batteries. —Bryan Rogala, Outside Online, 23 Apr. 2025

Word History

Etymology

James Watt †1819

First Known Use

1882, in the meaning defined above

Phrases Containing watt

• watt-hour

Rhymes for watt

• aught
• baht
• blot
• bott
• bought
• brought
• caught
• clot
• cot
• cott
• dot
• fought

Kids Definition

watt

noun

ˈwät 

: a unit of power equal to the work done at the rate of one joule per second

Etymology

named for James Watt 1736–1819 Scottish engineer

Medical Definition

watt

noun

ˈwät 

: the absolute mks 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

Biographical Definition

Watt

biographical name

ˈwät 

James 1736–1819 Scottish inventor