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

Broadcasting at 50,000 watts, the maximum limit for AM stations, WBT could be heard on a clear night along the East Coast, even reaching Canada and Cuba. — Desiree Mathurin, Charlotte Observer, 18 Aug. 2026

The hardware generations are arriving roughly annually and each one is dramatically more capable per watt than the last. — Jason Kirsch, Forbes.com, 17 Aug. 2026

The compact Orin Nano series provides up to 67 TOPS with power options ranging from seven to 25 watts. — Georgina Jedikovska, Interesting Engineering, 17 Aug. 2026

Built-in Wi-Fi and Bluetooth handle the connection, and the device draws only about 18 watts on a 5V input. — Stackcommerce Team, PC Magazine, 15 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