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[ak-wuh-fer] /ˈæk wə fər/
any geological formation containing or conducting ground water, especially one that supplies the water for wells, springs, etc.
Origin of aquifer
1900-05; probably < French aquifère (adj.); see aqui-, -fer Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for aquifer
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Historical Examples
  • Which will supply the larger region with artesian wells, an aquifer whose dip is steep or one whose dip is gentle?

    The Elements of Geology William Harmon Norton
  • And we know just what the strata formations are both below the reservoir and in the aquifer downstream.

    The Thirst Quenchers Rick Raphael
  • The aquifer dips toward the region of the wells from higher ground, where it outcrops and receives its water.

    The Elements of Geology William Harmon Norton
British Dictionary definitions for aquifer


a porous deposit of rock, such as a sandstone, containing water that can be used to supply wells
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for aquifer

1897, coined from Latin aqui-, comb. form of aqua "water" (see aqua-) + -fer "bearing," from ferre "to bear" (see infer).

Online Etymology Dictionary, © 2010 Douglas Harper
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aquifer in Science
An underground layer of permeable rock, sediment (usually sand or gravel), or soil that yields water. The pore spaces in aquifers are filled with water and are interconnected, so that water flows through them. Sandstones, unconsolidated gravels, and porous limestones make the best aquifers. They can range from a few square kilometers to thousands of square kilometers in size.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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