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

This charger is smaller than a credit card and delivers up to 100 watts of power while weighing in at just 120 grams. —New Atlas, 17 Feb. 2025

The screen readout is bright and easy to see at-a-glance, displaying speed, watts, and battery life. —Maggie Slepian, Travel + Leisure, 11 Feb. 2025

Plug two devices in and the top will deliver 45 watts and the bottom can do 20 watts. —Brenda Stolyar, WIRED, 15 Feb. 2025

The 1100 watt motor is designed for heavy-duty use, ideal for larger renovation projects. —Christopher Murray, Fox News, 13 Feb. 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