'Hypocrystalline' definitions:

Definition of 'Hypocrystalline'

From: GCIDE

Hypocrystalline \Hyp`o*crys"tal*line\, a. [Pref. hypo- + crystalline.] (Crystallog.) Partly crystalline; -- said of rock which consists of crystals imbedded in a glassy ground mass. [1913 Webster]