codeine


co·deine

noun \ˈkō-ˌdēn\

: a drug used to reduce pain

Full Definition of CODEINE

:  a morphine derivative C18H21NO3·H2O that is found in opium, is weaker in action than morphine, and is used especially as an analgesic and antitussive

Origin of CODEINE

French codéine, from Greek kōdeia poppyhead
First Known Use: 1850

co·deine

noun \ˈkō-ˌdēn, ˈkōd-ē-ən\   (Medical Dictionary)

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

codeine

noun    (Concise Encyclopedia)

Heterocyclic compound, a naturally occurring alkaloid found in opium, used in medicine as a cough suppressant and analgesic drug. It exerts its effects by acting on the central nervous system (brain and spinal cord). Chemically it is methylmorphine, the methyl ether of morphine, an alkaloid of the phenanthrene type; its action is weaker than that of morphine, and it is less likely to lead to drug addiction.

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