: 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.
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 The treaty requires Mexico to deliver 1.75 million acre-feet of water every five-year cycle. Berenice Garcia, Austin American-Statesman, 26 Dec. 2024 Starting in 2021, the Eastern Tule Groundwater Sustainability Agency charged Sahota about $330 per acre-foot of water. Lisa M. Krieger, The Mercury News, 28 Jan. 2025 In truth, more than 5 million acre-feet of water is pumped from the Sacramento-San Joaquin River Delta each year to the San Joaquin Valley, Central Coast and Southern California. George Skelton, Los Angeles Times, 24 Jan. 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

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 16 Feb. 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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