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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Namely, the rear trunk seemed a little less roomy than expected, with a high floor that looked to house additional battery cells for the 91 kilowatt-hour extended range pack. Michael Teo Van Runkle, Forbes, 31 Dec. 2024 Here's what to know A new tax when charging electric vehicles in Wisconsin Electric vehicle owners will see a new excise tax of 3 cents per kilowatt-hour of electricity, beginning Jan. 1. Hope Karnopp, Journal Sentinel, 26 Dec. 2024 The Ram 1500 Ramcharger is expected to have 690 miles of range, achieved using a that combines a 92 kilowatt-hour battery pack with a 130-kilowatt generator that uses gasoline fuel. Eileen Falkenberg-Hull, Newsweek, 18 Dec. 2024 Nuclear energy is the largest source of clean power in the U.S., generating nearly 775 billion kilowatt-hours of electricity each year. Emma Withrow, Baltimore Sun, 18 Dec. 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 18 Jan. 2025.

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!