: 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.
Lake Mead is the largest reservoir in the U.S., with a capacity of nearly 29 million acre-feet of water. Joe Edwards, MSNBC Newsweek, 16 May 2025 Records show about 319 acre-feet, or 104 million gallons, flowed through the company’s network of pipes in 2023, filling a roadside tank where trucks pick up water and haul it to a bottling plant. Ian James, Los Angeles Times, 8 May 2025 Its leaders agreed to build the dam six feet higher so that the reservoir had enough space to store 5,000 acre-feet of water to be used for environmental health purposes on South Boulder Creek, which flows out of the bottom of the dam. Elise Schmelzer, Denver Post, 16 Apr. 2025 Increasing reuse to 50 percent could push annual savings to 1.3 million acre-feet. Thomas G. Moukawsher, MSNBC Newsweek, 13 Apr. 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 28 May. 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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