Word Study
phreatic
WORDNET DICTIONARY
Adjective phreatic has 1 sense
CIDE DICTIONARY
phreatic, a. [F. phréatique, from Gr. , , a well.].
Subterranean; -- applied to sources supplying wells. [1913 Webster]
OXFORD DICTIONARY
phreatic, adj. Geol.
1 (of water) situated underground in the zone of saturation; ground water.
2 (of a volcanic eruption or explosion) caused by the heating and expansion of underground water.
1 (of water) situated underground in the zone of saturation; ground water.
2 (of a volcanic eruption or explosion) caused by the heating and expansion of underground water.
Etymology
Gk phrear phreatos well
For further exploring for "phreatic" in Webster Dictionary Online
