: 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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Private property owners also are allowed, under Texas law, to build dams or reservoirs on their land with up to 200 acre-feet of storage for livestock, fish and wildlife purposes without getting a permit from the TCEQ. Claire Osborn, Austin American Statesman, 30 July 2025 Costs are often given by the acre-foot, approximately 326,000 gallons. Michael Smolens, San Diego Union-Tribune, 25 July 2025 There is significantly less water in the river compared to what was expected when the Compact was ratified: 12.5 million acre-feet annually this century, compared to no less than 17.5 million acre-feet assumed in 1922. Ron Rudolph, Denver Post, 23 July 2025 The maximum water capacity in Lake Powell is 24 million acre-feet, which, like Lake Mead, is plenty of room to sustain a range of wildlife. Olivia Rose, AZCentral.com, 22 July 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 7 Aug. 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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