n. [ Cf. F. achromatisme. ] The state or quality of being achromatic;
n. [ Gr. &unr_; a coloring. ] [ 1913 Webster ]
n. The state of being dichromatic. [ 1913 Webster ]
n. The condition of having an unusual intensity of color. [ 1913 Webster ]
n. Pleochroism. [ 1913 Webster ]
n. (Zool.) The quality, state, or phenomenon of being trichromatic. [ 1913 Webster ]