Hyoscine
Pronunciation : Hy*os"cine
Part of Speech : n.
Etymology : [See Hyoscyamus.] (Chem.)
Definition : Defn: An alkaloid found with hyoscyamine (with which it is also isomeric) in henbane, and extracted as a white, amorphous, semisolid substance.
Source : Webster's Unabridged Dictionary, 1913