: 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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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.
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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
The formula looks like this: Cost = (power (in watts) x time (in hours)) / 1,000 x cost of one kilowatt-hour.
—John Tufts, USA Today, 27 June 2025
Induction cooktop power is measured in watts, and each burner on the cooktop often offers a different wattage range.
—Alice Knisley Matthias, Better Homes & Gardens, 25 June 2025
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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
The formula looks like this: Cost = (power (in watts) x time (in hours)) / 1,000 x cost of one kilowatt-hour.
—John Tufts, USA Today, 27 June 2025
Induction cooktop power is measured in watts, and each burner on the cooktop often offers a different wattage range.
—Alice Knisley Matthias, Better Homes & Gardens, 25 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 8 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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