ground water

British

noun

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At the time, the mine's operator said ground water levels were being continually monitored as it worked on updated plans for the site's restoration.

From BBC • Feb. 28, 2025

Geological Survey further indicates that there are multiple areas around the Grand Canyon where uranium leached into the ground water and rendered waters unsafe for drinking.

From National Geographic • Aug. 8, 2023

“We’ve seen ground water levels start to lower as well. We’ve seen stream flows start to decline.”

From Seattle Times • Jun. 29, 2023

The result is that Arizona’s water supply is being squeezed from both directions — disappearing ground water as well as the shrinking Colorado River.

From New York Times • Jun. 1, 2023

The water of springs is subterranean, or ground water, which for geological reasons has found a natural outlet on the surface.

From The Home Medical Library, Volume V (of VI) by Winslow, Kenelm

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023