Variolite

1 definition found

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

  Variolite \Va"ri*o*lite\, n. [L. varius various + -lite: cf. F.
     variolite.] (Geol.)
     A kind of diorite or diabase containing imbedded whitish
     spherules, which give the rock a spotted appearance.
     [1913 Webster]