Watt

Part of speech: noun

Pronunciation: /wɒt/

Definitions

1. A unit of power equal to one joule per second, commonly used to measure the rate of energy consumption or output in electrical devices
2. A measure of power in the International System of Units, representing energy conversion at a specific rate, used mainly in electrical engineering and physics
3. Referring to the standard unit that quantifies the rate at which energy is transferred or consumed, particularly in electric circuits

Etymology: The unit is named for James Watt, the Scottish engineer whose improvements to the steam engine made him one of the central figures of the Industrial Revolution. Watt himself never had a unit named after him in his lifetime; the honour came later, when electrical engineers needed a standard measure of power and chose to commemorate his work on how fast engines convert fuel into motion. The surname Watt has its own history, but the unit simply borrows the name as a tribute. A watt measures the rate of energy transfer, so one watt is one joule per second. Engineers often treat it as a way of asking how quickly something works rather than how much work it does in total.

Synonyms: unit of power, energy measure, joule per second, electrical unit, light measure