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

Mauigoa’s 9,273 was by far the most on the Miami team in 2025, almost 1,000 watts more than the next player. — Jordan McPherson, Miami Herald, 11 Aug. 2026

But the supply of plutonium on each probe drops at about four watts a year on each spacecraft. — Elizabeth Howell, Space.com, 7 Aug. 2026

Powered by a 10,000mAh battery with 33-watt fast charging and reverse charging for your phone, this 256GB tablet handles heavy academic workloads effortlessly. — Juhi Wadia, PC Magazine, 5 Aug. 2026

Police said the Deepower bike the teen was riding had a motor that could rev at more than 900 watts and was capable of hitting 30 mph. — Josephine Stratman, New York Daily News, 5 Aug. 2026

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