You searched for: “reservoir
This entry is located in the following unit: serv-, -serve (page 4)
(Greek: a well, a tank, a reservoir; ground water)
(Greek: phreatia, a well, a reservoir, a tank; a cistern, a pit)
Word Entries containing the term: “reservoir
geothermal reservoir
A subsurface system consisting of a large volume of hot water and steam trapped in a porous and fractured hot rock underneath a layer of impermeable rock.

Some reservoirs can be commercially developed as an energy source.