watt

noun
\ ˈwät How to pronounce watt (audio) \

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 How to pronounce Watt (audio) \

Definition of Watt (Entry 2 of 2)

James 1736–1819 Scottish inventor

Examples of watt in a Sentence

Recent Examples on the Web: Noun

The best lithium-ion batteries top out at 265 watt-hours per kilogram, which is nowhere near enough get an airliner across the Pacific. Umair Irfan, Vox, "Air travel is a huge contributor to climate change. A new global movement wants you to be ashamed to fly.," 1 Aug. 2019 The bottom line: This smart plug is a great option for anyone interested in scheduling, voice commands and remote access to everyday devices up to 1,500 watts. courant.com, "CNET: Best smart plugs for 2019," 12 July 2019 Ant Charging list available charging stations, the price of charging per watt, and distance. Echo Huang, Quartz, "China’s ride-hailing giant wants to dominate electric-vehicle charging—so does one of its top backers," 24 June 2019 Using my values, the one turn of the wind turbine creates 291 watt-hours (a unit of energy) but a house uses about 48 thousand watt-hours. Rhett Allain, WIRED, "Estimate the Energy of an Utterly Massive Wind Turbine," 13 June 2019 The Unicorn has a maximum speed of 15 mph, a range of 10-15 miles, a 300 watt motor, and a 187 WH battery that takes 3.5 hours to charge. Andrew J. Hawkins, The Verge, "Unicorn is a $699 electric scooter from the co-creator of Tile," 20 June 2019 Muscles can generate approximately 100 to 300 watts per kilogram of power (power is the amount of energy transferred per unit of time). Quanta Magazine, "Too Small for Big Muscles, Tiny Animals Use Springs," 13 June 2018 The chip is rated to dissipate up to 15 watts of thermals and has a base clock of 2.3GHz and 4GHz boost frequencies. Gordon Mah Ung, PCWorld, "Lenovo puts AMD Ryzen chips in ThinkPads, giving Intel's rival a boost," 8 May 2019 Grace Elizabeth is down right angelic, with her high, prominent cheekbones and mega-watt smile which has brought her not only commercial success but prominence in the world of high fashion. Chrissy Rutherford, Harper's BAZAAR, "Exclusive: Grace Elizabeth Is Now a Victoria's Secret Angel," 10 Apr. 2019

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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More Definitions for watt

watt

noun

English Language Learners Definition of watt

: a unit for measuring electrical power

watt

noun
\ ˈwät How to pronounce watt (audio) \

Kids Definition of watt

: a unit for measuring electric power

watt

noun
\ ˈwät How to pronounce watt (audio) \

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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