n. [ F. béryl, OF. beril, L. beryllus, Gr.
a. Like a beryl; of a light or bluish green color. [ 1913 Webster ]
n. [ NL. ] (Chem.) A metallic element found in the beryl. See Glucinum. [ 1913 Webster ]
n. [ Beryl + -oid. ] (Crystallog.) A solid consisting of a double twelve-sided pyramid; -- so called because the planes of this form occur on crystals of beryl. [ 1913 Webster ]