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Houghton Mifflin

co·deine  audio  (kdn, -d-n) KEY 

NOUN:
An alkaloid narcotic, C18H21NO3, derived from opium or morphine and used as a cough suppressant, analgesic, and hypnotic.

ETYMOLOGY:
French codéine : Greek kdeia, poppy head (from kos, cavity; see keu- in Indo-European roots) + -ine, alkaloid ; see -ine2


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