: 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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This is a bump up from the previous Shimano Steps offering and is reported to peak at 750 watts, produce 100 Nm (73.7 lb.ft) of torque and offer up to 400% pedal-assist.
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New Atlas, 6 July 2025
Cities like New York, Denver and Columbus see solar energy climb from about 145 watts per square meter in winter to 430 in summer — nearly a 300% difference.
—Tyler Ory, CNN Money, 5 July 2025
In 1976, construction began on a five-mega watt thermal solar test facility at the Energy Research and Development Administration's Sandia Laboratories in Albuquerque, N.M.
—Josh Hammer, MSNBC Newsweek, 27 June 2025
Featuring more than 600 speakers and pushing over 26,000 watts of power, the system delivered crystal-clear, distortion-free sound up to a quarter-mile away and essentially served as its own monitoring system, with the speakers placed directly behind the band.
—Anna Tingley, Variety, 27 June 2025
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New Atlas, 6 July 2025
Cities like New York, Denver and Columbus see solar energy climb from about 145 watts per square meter in winter to 430 in summer — nearly a 300% difference.
—Tyler Ory, CNN Money, 5 July 2025
In 1976, construction began on a five-mega watt thermal solar test facility at the Energy Research and Development Administration's Sandia Laboratories in Albuquerque, N.M.
—Josh Hammer, MSNBC Newsweek, 27 June 2025
Featuring more than 600 speakers and pushing over 26,000 watts of power, the system delivered crystal-clear, distortion-free sound up to a quarter-mile away and essentially served as its own monitoring system, with the speakers placed directly behind the band.
—Anna Tingley, Variety, 27 June 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 18 Jul. 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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