kilowatt-hour

noun

kilo·watt-hour ˈki-lə-ˌwät-ˈau̇(-ə)r

ˈkē-lə-

: 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

1892, in the meaning defined above

Time Traveler

The first known use of kilowatt-hour was in 1892

See more words from the same year

Style

“Kilowatt-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kilowatt-hour. Accessed 27 Jan. 2023.

Copy Citation

kilowatt-hour

noun

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

kilowatt-hour

noun

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

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