a. [ Pref. hypo- + idiomorphic. ] (Crystallog.) Partly idiomorphic; -- said of rock a portion only of whose constituents have a distinct crystalline form. --
a. Idiomorphous. [ 1913 Webster ]
a. [ Pan- + idiomorphic. ] (Geol.) Having a completely idiomorphic structure; -- said of certain rocks. [ 1913 Webster ]