Do you really want to send Webster 1913 a message saying you like their work?
Nar"co*tine (?), 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.
© Webster 1913.