watt

noun

: 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
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This corded immersion blender sports a substantially more powerful 625 watts, a four-pronged blade, and five variable speed settings. Adam Campbell-Schmitt, Bon Appétit, 20 Mar. 2025 An adult human brain consumes around 12 watts, while a standard light bulb uses about 60 watts. Lance Eliot, Forbes, 19 Mar. 2025 Each craft was equipped with three RTGs, providing a total of 470 watts of power at launch. Benjamin Roulston, The Conversation, 14 Mar. 2025 The system has 2,000 watts of power, was built and configured specifically for the Batur and sets buyers back over $30,000. Alistair Charlton, Forbes, 11 Mar. 2025 See All Example Sentences for watt

Word History

Etymology

James Watt †1819

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of watt was in 1882

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Cite this Entry

“Watt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watt. Accessed 28 Mar. 2025.

Kids 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

Watt

biographical name

James 1736–1819 Scottish inventor

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