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 Given a total mass of 4 grams, that works out to a lift-to-power efficiency of 7.6 grams per watt. John Timmer, Ars Technica, 17 July 2024 The combined total of 700 watts of Class D amplification means there’s enough power for a moderately raucous house party, but the volume is controlled and the detail precise. Chris Haslam, WIRED, 9 Aug. 2024 The 70-lb (32-kg) 5-in-tall (12.7-cm) box sits atop the vehicle like a particularly slim rooftop cargo box, its own roof covered in 200 watts of solar panels. New Atlas, 1 Aug. 2024 These optimizations should lead to up to 32% higher performance per watt compared with the previous generation, according to the chip maker. Brian Westover, PCMAG, 15 July 2024 See all Example Sentences for watt 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'watt.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near watt

Cite this Entry

“Watt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watt. Accessed 12 Sep. 2024.

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

More from Merriam-Webster on watt

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!