Santonin
Pronunciation : San"to*nin
Part of Speech : n.
Etymology : [L. herba santonica, a kind of plant, fr. Santoni a people of Aquitania; cf. Gr. santonine.] (Chem.)
Definition : Defn: A white crystalline substance having a bitter taste, extracted from the buds of levant wormseed and used as an anthelmintic. It occassions a peculiar temporary color blindness, causing objects to appear as if seen through a yellow glass.
Source : Webster's Unabridged Dictionary, 1913