Adjective
Subterranean; -- applied to sources supplying wells.
Source: Webster's dictionaryWater content in a capillary fringe decreases with increasing distance from the phreatic surface. Source: Internet
The Earth's crust can be divided into two regions: the saturated zone or phreatic zone (e. Source: Internet
Unconfined aquifers are sometimes also called water table or phreatic aquifers, because their upper boundary is the water table or phreatic surface. Source: Internet
In addition to the lava and toxic gases, there are concerns about the phreatic eruptions. Source: Internet
It also told civil aviation authorities to advise pilots to avoid flying close to the volcano’s summit as ash from any sudden phreatic eruption can be hazardous to an aircraft and its passengers. Source: Internet