Medical Dictionary


noun co·deine \ˈkō-ˌdēn, ˈkōd-ē-ən\

Medical Definition of CODEINE

:  a morphine derivative that is found in opium, is weaker in action than morphine, and is used especially in the form of its sulfate (C18H21NO3)2·H2SO4 or phosphate C18H21NO3·H3PO4 especially as an analgesic and an antitussive


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