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

To ring in her 22nd, Bella Hadid pushed things to the limit by piling on heaps of mega-watt gems. Madeline Fass, Vogue, "Bella Hadid Proves Diamonds Are a Birthday Girl’s Best Friend," 10 Oct. 2018 WATTAGE Amount of power, as expressed in units called watts. Nicole Sforza, ELLE Decor, "Just Add Popcorn," 5 July 2012 Intel and its partners plan to use Computex to announce a potential solution to the problem: one-watt panels that will significantly improve your laptop’s battery life, by about 4 to 8 hours of additional battery life. Mark Hachman, PCWorld, "Intel crushes Computex with a 28-core chip, a 5GHz 8086K, two new architectures and more," 4 June 2018 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

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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Statistics for watt

Last Updated

14 Nov 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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