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Answer for the clue "Well source ", 11 letters:
groundwater

Alternative clues for the word groundwater

Word definitions for groundwater in dictionaries

Wiktionary Word definitions in Wiktionary
alt. water that exists beneath the earth's surface in underground streams and aquifers. n. water that exists beneath the earth's surface in underground streams and aquifers.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"water in the ground," also ground water , 1890, from ground (n.) + water (n.1). Attested from mid-15c. in sense "water at the bottom of a stream."

Wikipedia Word definitions in Wikipedia
Groundwater (or ground water ) is the water present beneath Earth 's surface in soil pore spaces and in the fractures of rock formations . A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The ...

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ An enormous amount of detailed technical evidence on groundwater was presented during consideration of the earlier Bill. ▪ And by sinking a well or borehole into an aquifer, groundwater can be pumped to the surface. ▪ But last ...

Usage examples of groundwater.

I do not understand the current frenzy, since point-source discharges from the floodplain's seventeen small towns produce in one calendar year twelve times the amount of chemically contaminated stormwater runoff, groundwater leaching, and coliform discharge into surface waters than the combined discharge of all farms in the floodplain for the past decade.

The battered roadbed gave beneath his right foot where a trickle of groundwater seeped up to dampen the leather of his boots and creep in through the seams.

Unlike most eruptions and earthquakes, these gave no time to study precursory phenomena such as foreshocks, groundwater fluctuations and changes in the behavior of domestic and wild animals.

In this area the groundwater level has been fluctuating for millions of years.

We sample soil and groundwater, test which mushroom soaks up more radionuclides, check the DNA of mammals.

But the storm last night pushed the groundwater to saturation point and beyond.

That's when carbonic acid from the groundwater above and sulfuric acid from the hydrocarbon field below went to work dissolving limestone.

The sap, drawing on the deepest groundwater, sustained them through the mightiest supercontinental droughts—and, laden with beneficent chemicals, the sap healed their injuries and illnesses.