Metasomatic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Metasomatism \Met`a*so"ma*tism\, n. [Pref. meta- + Gr. ?, ?,
     body.] (Geol.)
     An alteration in a mineral or rock mass when involving a
     chemical change of the substance, as of chrysolite to
     serpentine; -- opposed to ordinary metamorphism, as implying
     simply a recrystallization. -- {Met`a*so*mat"ic}, a.


     [1913 Webster]