• synonyms


See more synonyms for phreatic on Thesaurus.com
adjective Geology.
  1. noting or pertaining to ground water.
  2. noting or pertaining to explosive volcanic activity involving steam derived from ground water: a phreatic explosion.
Show More

Origin of phreatic

1890–95; < Greek phreat- (stem of phréar) artificial well + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for phreatic


  1. geography of or relating to ground water occurring below the water tableCompare vadose
Show More

Word Origin

C19: from Greek phrear a well
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012