watt

noun

ˈwät 

: 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

In fact, external benchmarks like MLPerf and InferenceMAX view Blackwell as the clear leader in both training and inference, with Nvidia standing out in terms of key metrics like tokens per watt and revenue per token. —Tipranks.com Staff, CNBC, 21 Dec. 2025

With three powerful suction modes, according to users, and a 150-watt motor, this vacuum effortlessly sucks up crumbs, dirt, dust, and debris from carpets and hard flooring alike. —Toni Sutton, PEOPLE, 16 Dec. 2025

Lithium batteries with 100 watt hours or less are okay. —Michelle Del Rey, USA Today, 15 Dec. 2025

The company says the new system delivers more compute per dollar and per watt than today’s networked multi-QPU platforms. —Aamir Khollam, Interesting Engineering, 9 Dec. 2025

Word History

Etymology

James Watt †1819

First Known Use

1882, in the meaning defined above

Phrases Containing watt

• watt-hour

Rhymes for watt

• aught
• baht
• blot
• bott
• bought
• brought
• caught
• clot
• cot
• cott
• dot
• fought

Kids Definition

watt

noun

ˈwät 

: 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

ˈwät 

: 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

ˈwät 

James 1736–1819 Scottish inventor