Word Study
watt
WORDNET DICTIONARY
Noun watt has 2 senses
- watt(n = noun.quantity) w - a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm; Array is a kind of power unit
- watt(n = noun.person) james watt - Scottish engineer and inventor whose improvements in the steam engine led to its wide use in industry (1736-1819); Array is a kind of applied scientist, engineer, technologist, artificer, discoverer, inventor
has parts: milliwatt
is a part of kilowatt, kw, h.p., horsepower, hp
CIDE DICTIONARY
watt, n. [From the distinguished mechanician and scientist, James Watt .].
A unit of power or activity equal to 107 C.G.S. units of power, or to work done at the rate of one joule a second. An English horse power is approximately equal to 746 watts. [1913 Webster]
OXFORD DICTIONARY
watt, n. the SI unit of power, equivalent to one joule per second, corresponding to the rate of energy in an electric circuit where the potential difference is one volt and the current one ampere.
Idiom
watt-hour the energy used when one watt is applied for one hour.
Usage
Symb.: W.
Etymology
J. Watt, Sc. engineer d. 1819
For further exploring for "watt" in Webster Dictionary Online
