Fluoroid
Flu´or`oid
n. | 1. | (Crystallog.) A tetrahexahedron; - so called because it is a common form of fluorite. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
n. | 1. | (Crystallog.) A tetrahexahedron; - so called because it is a common form of fluorite. |