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kilowatt-hour

1 ENTRIES FOUND:
kilowatt-hour noun
plural kilowatt-hours
kilowatt-hour
noun
plural kilowatt-hours
Learner's definition of KILOWATT-HOUR
[count] technical
: a unit of work or energy equal to the amount produced by one kilowatt in one hour千瓦时;一度(电)abbreviation kWh

kilowatt-hour

noun

kilo·​watt-hour ˈki-lə-ˌwät-ˈau̇(-ə)r How to pronounce kilowatt-hour (audio)
ˈkē-lə-
: a unit of work or energy equal to that expended by one kilowatt in one hour or to 3.6 million joules

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of kilowatt-hour was in 1892

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