: 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.
The settlements call for reducing groundwater depletions to a rate of 18,200 acre-feet per year. Preston Fore, Fortune, 30 Aug. 2025 Arizona has reduced its water usage by 900,000 acre-feet in 2024 and 800,000 acre-feet in 2025, Buschatzke said. Elise Schmelzer, Denver Post, 30 Aug. 2025 Nevada must contribute 21,000 acre-feet (seven percent of its share), while Mexico will reduce its water usage by 80,000 acre-feet under binational agreements. Joe Edwards, MSNBC Newsweek, 20 Aug. 2025 Water Farm 1 is a critical milestone toward OceanWell's goal of adding one million acre-feet of new potable water to the global supply within a decade. New Atlas, 18 Aug. 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 11 Sep. 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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