narcotine

noun
nar·​co·​tine | \ ˈnär-kə-ˌtēn How to pronounce narcotine (audio) , -tən How to pronounce narcotine (audio) \

Medical Definition of narcotine

: a crystalline alkaloid C22H23NO7 that is found in opium and possesses antispasmodic but no narcotic properties

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