- a colorless, syrupy, water-soluble alkaloid, C17H21NO4, obtained from certain plants of the nightshade family, used chiefly as a sedative and mydriatic and to alleviate the symptoms of motion sickness.
- a colourless viscous liquid alkaloid extracted from certain plants, such as henbane: used in preventing travel sickness and as an anticholinergic, sedative, and truth serum. Formula: C 17 H 21 NO 4Also called: hyoscine See also atropine
- A thick, syrupy, colorless alkaloid extracted from plants such as henbane and used as a mydriatic, sedative, antiemetic, and treatment for motion sickness.hyoscine
- A poisonous, syrupy, colorless alkaloid extracted from plants such as deadly nightshade and henbane. Scopolamine depresses the central nervous system and is used primarily as a sedative and to dilate the pupils, treat nausea, and prevent motion sickness. Chemical formula: C17H21NO4.