watt
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watt
(wŏt)n. Abbr. W Electricity
An SI-derived unit of power equal to one joule per second. See Table at measurement.
[After James Watt.]
Watt
(wɒt)n
(Biography) James. 1736–1819, Scottish engineer and inventor. His fundamental improvements to the steam engine led to the widespread use of steam power in industry
watt
(wɒt)n
(Units) 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
[C19: named after James Watt]
watt
(wɒt)n.
the SI unit of power, 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. Abbr.: W, w
[1882; after J. Watt]
Watt
(wɒt)n.
James, 1736–1819, Scottish engineer and inventor.
watt
(wŏt) A unit used to measure power, equal to one joule of work per second. In electricity, a watt is equal to the amount of current (in amperes) multiplied by the amount of potential (in volts).
watt
1. The unit of power: one watt equals one joule per second.
2. (W) A unit of power equal to that available when one joule of energy is expended in one second. 1 W = 1 volt-ampere; 746 W = 1 horsepower (hp). Named after the Scottish engineer James Watt (1736–1819).
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Noun | 1. | ![]() power unit - a measure of electric power milliwatt - a unit of power equal to one thousandth of a watt |
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