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

Examples of kilowatt-hour in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 See all Example Sentences for kilowatt-hour 

Word History

First Known Use

1892, in the meaning defined above

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

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 16 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
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!