: 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
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The ports, arranged vertically in back near the center, include one upstream and two downstream USB-C ports; the upstream connector supports DisplayPort Over USB Alternate Mode and up to 90 watts of power delivery.
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PCMAG, 31 Jan. 2025
The Beast Mini Blender Plus is a small but mighty blender with a powerful 600 watt motor that chops, minces, juices, whips and blends up to 500ml.
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Anna Haines, Forbes, 23 Jan. 2025
With a single 1,440-Wh battery under the seat, a rider can tap into 3,000 watts of motor power and 120 Nm (88.5 lb.ft) of torque.
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New Atlas, 10 Jan. 2025
Those Continental mud-terrain tires measure 42 inches in diameter, the roof supports 1,400 watts of solar panels (that charge a 1,980 amp-hour lithium-ion battery pack), and 118 gallons of water capacity feed a shower, bathroom, and kitchen.
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Michael Van Runkle, Robb Report, 9 Jan. 2025
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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 7 Feb. 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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