: 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 alternative is to commit the funds to other new projects eyeing the money, like Del Puerto Canyon Reservoir, an 82,000 acre-foot reservoir being proposed by the Del Puerto Water District, in Patterson, for the rural hills east of I-5 not far from the Stanislaus-Santa Clara County line. Paul Rogers, The Mercury News, 19 Feb. 2025 Losses in one recent year leaped as high as 240 million gallons — or 737 acre-feet, enough to supply roughly 1,000 families with water for a year. John Aguilar, The Denver Post, 17 Feb. 2025 The hardware, or physical infrastructure, is the spillway and dam, which in the case of New Bullards Bar, holds back almost 1 million acre-feet of water. Jake Goodrick, Sacramento Bee, 11 Feb. 2025 An acre-foot is enough water to flood an acre of land 1 foot deep – about 325,000 gallons (1.2 million liters). Gabriel Eckstein, The Conversation, 5 Feb. 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 1 Mar. 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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