: 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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That would have increased its capacity from 160,000 acre-feet to 275,000 acre feet, enough water when full for the annual needs of 1.4 million people. Paul Rogers, The Mercury News, 15 Jan. 2025 The Santa Ynez Reservoir can hold up to 117 million gallons, which is 359 acre-feet of water. Evan Bush, NBC News, 11 Jan. 2025 For reference, a typical suburban U.S. household uses about an acre-foot of water each year. Sharon Udasin, The Hill, 24 Nov. 2024 Although California has saved over 1.2 million acre-feet of water in two years (about a third of what farmers in the IID use in a year), the overall outlook remains uncertain. Paul Du Quenoy, Newsweek, 31 Dec. 2024 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

Dictionary Entries Near acre-foot

Cite this Entry

“Acre-foot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acre-foot. Accessed 29 Jan. 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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