groundwater

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.

Citation: 
groundwater. (n.d.) The American Heritage® Science Dictionary. (2005). Retrieved August 26 2014 from http://www.thefreedictionary.com/groundwater
English

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