watt
(redirected from Attowatt)Also found in: Dictionary, Thesaurus, Encyclopedia.
watt
(W) [wot]watt (W),
(waht),The SI unit of electrical power; the power available when the current is 1 ampere and the electromotive force is 1 volt; equal to 1 joule (107 ergs) per second or 1 voltampere.
[James Watt, Scot. engineer, 1736-1819]
watt
(W) (waht) the SI unit of power, being the work done at the rate of 1 joule per second. In electric power, it is equivalent to a current of 1 ampere under a pressure of 1 volt.watt (W)
[wot]
Etymology: James Watt, Scottish engineer, 1736-1819
watt
(W) (waht)The SI unit of electrical power; the power available when the current is 1 ampere and the electromotive force is 1 volt; equal to 1 joule (107 ergs) per second or 1 voltampere.
[James Watt, Scot. engineer, 1736-1819]
watt
(W) (waht)The SI unit of electrical power.
watt (W),
n the unit of electric power or work; 1 watt of power is dissipated when a current of 1 ampere (A) flows across a difference in potential of 1 volt (V).
watt
a unit of electric power, being the work done at the rate of 1 joule per second. It is equivalent to 1 ampere under pressure of 1 volt. Abbreviated W.