watt hour

A form of watt-hour — A unit of electrical energy equal to the power of one watt in use for one hour; often used as a unit of electricity consumption. It is equal to 3600 joules.

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Meanings

nounwatt hour (plural watt hours)

plural watt hours

  1. alternativeAlternative spelling of watt-hour.

Origin

From watt + hour.

Full word history & related roots →
Cite this entry
APA

watt hour. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/watt%20hour

MLA

“watt hour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/watt%20hour. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “watt hour,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/watt%20hour.

Source: watt hour on Wiktionary, CC BY-SA 4.0.