: 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
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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
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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
See All Example Sentences for watt
Cite this Entry
“Watt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watt. Accessed 2 May. 2025.
Copy CitationKids Definition
watt
noun
: 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
: 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
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