Prehnitic

1 definition found

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

  Prehnitic \Prehn*it"ic\, a. (Chem.)
     Pertaining to, or designating, a tetrabasic acid of benzene
     obtained as a white crystalline substance; -- probably so
     called from the resemblance of the wartlike crystals to the
     mammill[ae] on the surface of prehnite.
     [1913 Webster]