: the volume (as of irrigation water) that would cover one acre to a depth of one foot

Examples of acre-foot 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.
For reference, the basin states have the collective right to 15 million acre-feet per year, while Mexico receives an allocation of 1.5 million acre-feet. Sharon Udasin, The Hill, 2 Apr. 2025 The river is over-allocated by up to 4 million acre-feet a year, said Mark Gold, director of water scarcity solutions at the Natural Resources Defense Council. Julia Jacobo, ABC News, 2 Apr. 2025 Boosting reuse rates to 50 percent could raise that savings to 1.3 million acre-feet annually. Jason D. Greenblatt, MSNBC Newsweek, 2 Apr. 2025 Together, these two reservoirs now contain about 7 million acre-feet of water. Calmatters, Mercury News, 1 Apr. 2025 See All Example Sentences for acre-foot

Word History

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of acre-foot was in 1889

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Cite this Entry

“Acre-foot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acre-foot. Accessed 19 Apr. 2025.

Kids Definition

acre-foot

noun
: the volume (as of irrigation water) that would cover one acre to a depth of one foot

More from Merriam-Webster on acre-foot

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