- the water beneath the surface of the ground, consisting largely of surface water that has seeped down: the source of water in springs and wells.
Origin of ground water
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for groundwater
Shoddy well construction is considered a primary cause of groundwater contamination at drilling sites.Two Texas Regulators Tried to Enforce the Rules. They Were Fired.
David Hasemyer, InsideClimate News
December 9, 2014
The toxins have polluted the groundwater and poisoned the soil.Italy’s Triangle Of Death: Naples Residents Blame Child Cancer Rates On Mob Disposal Of Toxic Chemicals
Barbie Latza Nadeau
November 21, 2013
Groundwater irrigation has made area farmers rich, and kept countless towns alive across the high plains.When the Wells Go Dry in the Great Plains
May 20, 2013
And beware of tapping into groundwater for agriculture too, as that can have the same effect as a drought.
Remember what we said above about tapping into groundwater?!
- underground water that has come mainly from the seepage of surface water and is held in pervious rocks
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
Word Origin and History for groundwater
Online Etymology Dictionary, © 2010 Douglas Harper
- Water that collects or flows beneath the Earth's surface, filling the porous spaces in soil, sediment, and rocks. Groundwater originates from rain and from melting snow and ice and is the source of water for aquifers, springs, and wells. The upper surface of groundwater is the water table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Water that seeps through the soil or rocks underground.
Groundwater is a source of drinking and spring water for many communities.
Groundwater can be contaminated by chemical pollutants. (See water pollution.)
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.