Word.ws English Dictionary

watt hour

watt hour is the alternative spelling of watt-hour.

Meaning of watt-hour

Noun

watt-hour (plural watt-hours)

  1. 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.
    • Holonyms: kilowatt-hour < megawatt-hour < gigawatt-hour < terawatt-hour

Forms of watt hour

pluralwatt hours

Origin of watt hour

From watt + hour.

Questions about watt hour

What is watt hour the alternative spelling of?
Watt hour is the alternative spelling of watt-hour.

Words near watt hour in the dictionary

  1. Watsons Bay
  2. Watsons Creek
  3. Watsonville
  4. watsu
  5. watt
  6. watt hour
  7. watt hours
  8. watt year
  9. watt years
  10. watt-hour
  11. watt-hour meter

Source and license

Adapted from Wiktionary: watt hour (page history and authors); watt-hour (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “watt hour.” Word.ws, https://word.ws/watt_hour. Based on Wiktionary, CC BY-SA 4.0.