Definition of C18H21NO3. Meaning of C18H21NO3. Synonyms of C18H21NO3
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Definition of C18H21NO3
C18H21NO3 Codeine Co*de"ine, n. [Gr. ? poppy head: cf. F. cod?ine.]
(Chem.)
One of the opium alkaloids; a white crystalline substance,
C18H21NO3, similar to and regarded as a derivative of
morphine, but much feebler in its action; -- called also
codeia.