n. [ Fluor + -oid. ] (Crystallog.) A tetrahexahedron; -- so called because it is a common form of fluorite. [ 1913 Webster ]
n. [ Cf. F. fluoride. ] (Chem.) A binary compound of fluorine with another element or radical. [ 1913 Webster ]
Calcium fluoride (Min.),
n. [ Cf. F. fluoride. ] (Chem.) A binary compound of fluorine with another element or radical. [ 1913 Webster ]
Calcium fluoride (Min.),