pleochroism
Ple*och"ro*ism, n. Etym: [Gr. (Crystallog.) Defn: The property possessed by some crystals, of showing different colors when viewed in the direction of different axes.
Ple*och"ro*ism, n. Etym: [Gr. (Crystallog.) Defn: The property possessed by some crystals, of showing different colors when viewed in the direction of different axes.