Webster’s Revised Unabridged Dictionary · 1913
Narcotine
Nar′co·tine (när′kō·tĭn or tēn), n. [Cf. F. narcotine. Cf. Cotarnine.] (Chem.) An alkaloid found in opium, and extracted as a white crystalline substance, tasteless and less poisonous than morphine; — called also narcotia.