: 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
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The news release says Las Vegas and its surrounding cities used under 212,500 acre-feet of water in 2024. James Powel, USA Today, 25 Aug. 2026 California will have the smallest at 440,000 acre-feet; Nevada will take 50,000 acre-feet less water; and Arizona will endure the steepest cuts at 760,000 acre-feet. Laura Paddison, CNN Money, 21 Aug. 2026 Last year, the state acted boldly by enacting Senate Bill 72, a law that establishes a statewide target of nine million acre-feet of additional water supply by 2040. Valerie Pryor, Mercury News, 19 Aug. 2026 Its reservoir also offers 19,000 acre-feet of flood storage, showing how hydroelectric projects can combine generation with river management. Atharva Gosavi, Interesting Engineering, 4 Aug. 2026 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 27 Aug. 2026.

Kids Definition

acre-foot

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

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