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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
Examples of kilowatt-hour in a Sentence
Recent Examples on the Web
To give a little context, a WUE of 0.2 L/kWh indicates a data center is using less than a cup of water per kilowatt-hour.
—Sanam Mahoozi, Forbes, 3 Nov. 2024
The sticker also shows the number of kilowatt-hours of electricity that’s needed to run the vehicle for 100 miles (this is expressed as kWh/100 miles).
—Jim Gorzelany, Forbes, 3 Oct. 2024
Furthermore, Regen allegedly helps a single manufacturing site to save up to 3 million kilowatt-hours annually and capture over 90 metric tons of microfibers, reducing over 2,000 metric tons of carbon emissions.
—Alexandra Harrell, Sourcing Journal, 30 Sep. 2024
Lucid is rightfully proud that its 2025 Air Pure delivers 420 miles of range with an 84 kWh battery pack, achieving an unprecedented efficiency milestone of 5 miles per kilowatt-hour.
—Peter Douglas, The Mercury News, 29 Sep. 2024
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Word History
First Known Use
1892, in the meaning defined above
Dictionary Entries Near kilowatt-hour
Cite this Entry
“Kilowatt-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kilowatt-hour. Accessed 23 Nov. 2024.
Kids Definition
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
Medical Definition
kilowatt-hour
noun
: a unit of work or energy equal to that expended by one kilowatt in one hour
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