kilowatt-hour

noun
kilo·​watt-hour | \ ˈki-lə-ˌwät-ˈau̇(-ə)r How to pronounce kilowatt-hour (audio) , ˈkē-lə- \

Definition of kilowatt-hour

: a unit of work or energy equal to that expended by one kilowatt in one hour or to 3.6 million joules

First Known Use of kilowatt-hour

1892, in the meaning defined above

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Time Traveler for kilowatt-hour

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The first known use of kilowatt-hour was in 1892

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Dictionary Entries Near kilowatt-hour

kilowatt

kilowatt-hour

kilp

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Cite this Entry

“Kilowatt-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kilowatt-hour. Accessed 16 Oct. 2021.

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More Definitions for kilowatt-hour

kilowatt-hour

noun

English Language Learners Definition of kilowatt-hour

: a unit of work or energy equal to the amount produced by one kilowatt in one hour

kilowatt-hour

noun

Medical Definition of kilowatt-hour

: a unit of work or energy equal to that expended by one kilowatt in one hour

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