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Definition of "acre-foot" []

  • The volume of water, 43,560 cubic feet, that will cover an area of one acre to a depth of one foot. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "acre-foot" in a sentence
  • "While saving another 300,000 acre-feet seems small in comparison with the two million acre-foot reduction already achieved, it is still a lot of water that had to be captured, stored, pumped, treated, delivered, and retreated as wastewater."
  • "An acre-foot is roughly the amount of water used by a family of four in a year."
  • "* An acre-foot is the quantity of water needed to cover one acre to a depth of one foot, equivalent to about 325,850 gallons."