watt

noun
\ ˈwät \

Definition of watt 

(Entry 1 of 2)

: 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

Watt

biographical name
\ ˈwät \

Definition of Watt (Entry 2 of 2)

James 1736–1819 Scottish inventor

Examples of watt in a Sentence

Recent Examples on the Web: Noun

Residential customers will get 60 cents per watt of solar energy systems. Cassie Cope, charlotteobserver, "This new solar panel program lets residents, businesses save thousands of dollars," 10 July 2018 Back then, the cost of buying a one-watt solar panel was $77; today the cost has fallen to 30 cents. Nathanael Johnson, WIRED, "Where Can Climate Activists Find Common Ground?," 9 July 2018 The touring also comes with standard ventilated front seats, navigation, 14-speaker Harmon Kardon surround sound rated at 792 watts, panoramic moonroof with dual glass panels and rain-sensing wipers. Jeff Yip, Houston Chronicle, "Newly arrived 2019 Subaru Ascent fills three-row midsize SUV niche," 24 June 2018 Bolla said the utility expected energy demand to peak in the late afternoon Sunday at about 10,500 mega watts. John Wisely, Detroit Free Press, "Heat is here to stay through 4th of July holiday," 1 July 2018 About the size and weight of a pint bottle of beer, the Torch 250 has a panel on one side that brought the 16 watt-hour lithium-ion battery to full charge in about one and a half days in the Southwest summer sun. Aaron Gulley, Outside Online, "The Best Solar Lights for Road Life," 29 June 2018 At last check-in, the rover was producing about 22 watt-hours of power, only enough to maintain one onboard system (the clock) but not enough to maintain any activity. John Timmer, Ars Technica, "Massive Martian dust storm has put Opportunity rover in a low-power sleep," 13 June 2018 Hitting shelves a few weeks later than the rest of the products (July 10th according to the website, but that date was not confirmed at the event), the shades echo a few of the mega-watt hues in McGrath’s eye shadows. Sophia Panych, Allure, "Pat McGrath Labs Is Launching an Entire Skin Fetish Makeup Collection," 13 June 2018 There were million-watt smiles and a few tears and other emotions one associates with moments like these. Ashley Hoffman, Time, "USA's Curling Athletes Shocked the World by Winning Gold. Then They Got the Wrong Medals," 24 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'watt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of watt

Noun

1882, in the meaning defined above

History and Etymology for watt

Noun

James Watt †1819

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Dictionary Entries near watt

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Statistics for watt

Last Updated

22 Aug 2018

Look-up Popularity

Time Traveler for watt

The first known use of watt was in 1882

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More Definitions for watt

watt

noun

English Language Learners Definition of watt

: a unit for measuring electrical power

watt

noun
\ ˈwät \

Kids Definition of watt

: a unit for measuring electric power

watt

noun
\ ˈwät \

Medical Definition of watt 

: 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

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