phreatic

[ free-at-ik ]

adjectiveGeology.
  1. noting or pertaining to groundwater.

  2. noting or pertaining to explosive volcanic activity involving steam derived from groundwater: a phreatic explosion.

Origin of phreatic

1
First recorded in 1890–95; from Greek phreat- (stem of phréar ) “artificial well” + -ic

Words Nearby phreatic

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British Dictionary definitions for phreatic

phreatic

/ (frɪˈætɪk) /


adjective
  1. geography of or relating to ground water occurring below the water table: Compare vadose

Origin of phreatic

1
C19: from Greek phrear a well

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