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

That included a 2,200-watt Naim audio system, at $10,525, that ranks among the sweetest-sounding units in automobiles. —Lawrence Ulrich, Robb Report, 12 June 2026

The open-ecosystem vendors compete on silicon — performance-per-watt, cost, integration and power envelope. —Bill Curtis, Forbes.com, 11 June 2026

Generators with 3000-3500 starting watts can cost $800 or more. —Bestreviews, Mercury News, 11 June 2026

The bill greenlights devices producing up to 1,920 watts. —Olivia Young, CBS News, 10 June 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