: 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.
The inclusion and exclusion matters because California’s crisis is not only about misallocated acre-feet of water. David Sathuluri, Mercury News, 16 June 2026 Developers of Project Jupiter purchased existing water rights from a sod farm just west of Sunland Park, New Mexico, for 2,400 acre-feet per year. Catherina Gioino, Fortune, 15 June 2026 Hot, dry years, as this one has started, can result in nearly 900,000 acre-feet being mined. Allen Best, Denver Post, 14 June 2026 The pilot's project manager says Dominion's water court filing seeks authorization to harvest approximately 111 acre-feet of water annually. Olivia Young, CBS News, 13 June 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

Browse Nearby Words

Cite this Entry

“Acre-foot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acre-foot. Accessed 25 Jun. 2026.

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster