[mass noun](Chemistry)a poisonous plant alkaloid used as an anti-emetic in motion sickness and as a preoperative medication for examination of the eye (化)东莨菪碱
Chem. formula: C17H21NO4. It is obtained chiefly from plants of the genus Scopolia, family Solanaceae 化学分子式:C17H21NO4主要从茄科赛莨菪属的植物中提炼
语源
late 19th cent.: from modern Latin hyoscyamus (see hyoscyamine) + -ine