: 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.
Phoenix typically provides about 147,000 acre-feet of Colorado River water to its customers each year. Austin Corona, AZCentral.com, 10 Nov. 2025 An acre-foot is about 326,000 gallons. Adrian Rodriguez, Mercury News, 7 Nov. 2025 From 2023 through the end of 2026, we are projected to cut water use by a staggering 7.5 million acre-feet, more than double the Upper Basin’s annual use. Dp Opinion, Denver Post, 19 Oct. 2025 The agreement requires Mexico to deliver 350,000 acre-feet of water annually to the U.S. from the Rio Grande, while the U.S. sends 1.5 million acre-feet from the Colorado River to Mexico. Joe Edwards john Feng, MSNBC Newsweek, 9 Sep. 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 13 Nov. 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

Last Updated: - Updated example sentences
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