- The definition of an aquifer is a natural well created by an underground rock or other geological formation.
An example of an aquifer is The Great Artesian Basin.
aquifer definition by Webster's New World
an underground layer of porous rock, sand, etc. containing water, into which wells can be sunk
Origin: ModL: see aqua and amp; -fer
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- aquiferous adjective
aquifer definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An underground bed or layer of permeable rock, sediment, or soil that yields water.
- a·quifˈer·ous adjective
aquifer - Science Definition
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.