: 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
But generally, anything 2000 watts or less is safe to use at home.
—Alyssa Brascia, People.com, 11 Dec. 2024
These mixers also have ultra-powerful motors, starting at 525 watts in the Series 5 motors to 575 watts in the Series 6.
—Tiffany Hopkins, Bon Appétit, 2 Dec. 2024
The wattage capacity has also been boosted to a potential 4,000 watts, providing up to 45 miles of range per day under optimal conditions.
—Kurt Knutsson, Cyberguy Report, Fox News, 20 Dec. 2024
The hub offers two USB-A ports and a USB-C port, the latter of which can output 20 watts.
—Julian Chokkattu, WIRED, 20 Dec. 2024
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Word History
Etymology
James Watt †1819
First Known Use
1882, in the meaning defined above
Phrases Containing watt
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Cite this Entry
“Watt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watt. Accessed 8 Jan. 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
More from Merriam-Webster on watt
Nglish: Translation of watt for Spanish Speakers
Britannica English: Translation of watt for Arabic Speakers
Britannica.com: Encyclopedia article about watt
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