watt
[ wot ]
/ wɒt /
noun
the standard unit of power in the International System of Units(SI), equivalent to one joule per second and equal to the power in a circuit in which a current of one ampere flows across a potential difference of one volt. Abbreviation: W, w.
Origin of watt
First recorded in 1882; named after J.
Watt
Words nearby watt
Definition for watt (2 of 2)
Watt
[ wot ]
/ wɒt /
noun
James,1736–1819,
Scottish engineer and inventor.
Example sentences from the Web for watt
British Dictionary definitions for watt (1 of 2)
watt
/ (wɒt) /
noun
the derived SI unit of power, equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a potential difference of 1 volt. 1 watt is equivalent to 1.341 × 10 –3 horsepower
Symbol: W
Word Origin for watt
C19: named after James
Watt
British Dictionary definitions for watt (2 of 2)
Watt
/ (wɒt) /
noun
James. 1736–1819, Scottish engineer and inventor. His fundamental improvements to the steam engine led to the widespread use of steam power in industry
Medical definitions for watt
watt
[ wŏt ]
n.
A unit of power in the International System of Units equal to one joule per second.
Scientific definitions for watt (1 of 2)
watt
[ wŏt ]
The SI derived unit used to measure power, equal to one joule per second. In electricity, a watt is equal to current (in amperes) multiplied by voltage (in volts).
Scientific definitions for watt (2 of 2)
Watt
James 1736-1819
British engineer and inventor who patented a much improved version of the steam engine (1769) and devised the unit of horsepower. The watt unit of power is named for him.