: 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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Last year, the total water used (plus water lost to evaporation) was 3 million acre-feet more than what the river actually carried. Ian James, Los Angeles Times, 14 May 2026 Thomure demanded that Beale replace the two acre-feet of water used, which approximately 650,000 gallons, or roughly equal to the annual water usagee of six to seven American households. Catherina Gioino, Fortune, 13 May 2026 In Utah, one hyperscale data center in Box Elder County withdrew an application to transfer 1,900 acre-feet of water from a ranch to their facility. Ashley Belanger, ArsTechnica, 11 May 2026 Arizona, California and Nevada announced a plan this month to save up to 1 million acre-feet (44 billion cubic feet) of Colorado River water through 2028. ABC News, 8 May 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 20 May. 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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