geological

from WordNet (r) 3.0 (2006)

geological
    adj 1: of or relating to or based on geology; "geological
           formations"; "geologic forces" [syn: {geological},
           {geologic}]

from The Collaborative International Dictionary of English v.0.48

Geologic \Ge`o*log"ic\, Geological \Ge`o*log"ic*al\, a. [Cf. F.
   g['e]ologique.]
   Of or pertaining to geology, or the science of the earth.
   [1913 Webster]

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