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watt
wattnounthe 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.
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Watt
WattnounJames, 1736–1819, Scottish engineer and inventor.
watt
1 Americannoun
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watts
plural
noun
noun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of watt
First recorded in 1882; named after J. Watt
Vocabulary lists containing watt
Engineering - Introductory
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Physical Science - Energy - Introductory
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Physics - Introductory
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Each incremental watt is worth $8 to Amazon currently, according to Nowak.
From MarketWatch ● Aug. 17, 2026
Early tests show that the chip will deliver performance per watt “substantially better” than current state-of-the-art chips, they added.
From The Wall Street Journal ● Jun. 24, 2026
Developers spend most of a project’s cost before a single watt of energy gets sold, then recover it through power sales stretched across 20 years or more.
From Barron's ● Jun. 6, 2026
Measurements revealed a responsivity of 2.7 amperes per watt.
From Science Daily ● May 31, 2026
They had discovered the X ray, the cathode ray, the electron, and radioactivity, invented the ohm, the watt, the Kelvin, the joule, the amp, and the little erg.
From "A Short History of Nearly Everything" by Bill Bryson
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In a video posted Wednesday on his X account, Watt said it is “humbling” to be in such a position.
From Los Angeles Times ● Oct. 22, 2026
Watt was elevated to be Romo’s interim replacement, alongside Jim Nantz, but no announcement has been made about that permanent role.
From The Wall Street Journal ● Oct. 20, 2026
“Catching one guy means there are half a dozen out there,” said Randy Watt, president of leadership consulting firm SRW, which conducts security and threat assessments for companies.
From The Wall Street Journal ● Oct. 15, 2026
Watt: His voice moves me in a way that I don’t even know what’s happening.
From Los Angeles Times ● Oct. 13, 2026
It also overstates the importance of rare geniuses, such as Watt and Edison.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
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One gigawatt represents 1 billion watts of power, enough to electrify more than 800,000 homes, according to various estimates.
From MarketWatch ● Nov. 5, 2026
The testing body said it’s concerned that systems under 400 watts can still overheat electrical components in a home and create a fire risk.
From Los Angeles Times ● Oct. 27, 2026
They press vinyl to sell at shows, and it gets into the hands of disc jockeys at ever-larger radio stations with an increasing number of watts behind their broadcasts.
From Salon ● Oct. 4, 2026
Other essentials, such as the kettle which needs 3 kilowatts of electricity, will be powered through a mix of the 800 watts flowing from the panel with the rest coming from the national grid.
From BBC ● Aug. 26, 2026
So what happens to the other 1400 watts?
From "The Martian" by Andy Weir
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