Vi"o*line (?), n. (Chem.) (a) A pale yellow amorphous substance of alkaloidal nature and emetic properties, said to have been extracted from the root and foliage of the violet (Viola). (b) Mauve aniline. See under Mauve.

Vi"o*line (?), n. (Chem.) (a) A pale yellow amorphous substance of alkaloidal nature and emetic properties, said to have been extracted from the root and foliage of the violet (Viola). (b) Mauve aniline. See under Mauve.