noun ·Rare ·Advanced level

Definitions

Noun

1. 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"

2. 2
   a unit of energy equal to the power of one watt operating for one hour wordnet

Synonyms

All synonyms

kilowatt hourunit

Example

More examples

"Holonyms: kilowatt-hour < megawatt-hour < gigawatt-hour < terawatt-hour"

Etymology

From watt + hour.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.