Word.ws English Dictionary

watthour

watthour 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 watthour

pluralwatthours

Origin of watthour

From watt + hour.

Questions about watthour

What is watthour the alternative spelling of?
Watthour is the alternative spelling of watt-hour.

Words near watthour in the dictionary

  1. wattersite
  2. Watterson
  3. Wattersons
  4. wattevilleite
  5. wattevillite
  6. watthour
  7. watthours
  8. Wattis
  9. wattle
  10. wattle and daub
  11. Wattle Bank

Source and license

Adapted from Wiktionary: watthour (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: “watthour.” Word.ws, https://word.ws/watthour. Based on Wiktionary, CC BY-SA 4.0.