Lexic.us

Definition of Codeine

1. Noun. Derivative of opium; used as an antitussive (to relieve coughing) and an analgesic (to relieve pain).

Definition of Codeine

1. n. 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.

Definition of Codeine

1. a narcotic alkaloid [n -S]

Medical Definition of Codeine

1. An opioid analgesic related to morphine but with less potent analgesic properties and mild sedative effects. It also acts centrally to suppress cough. Pharmacological action: analgesics, opioid, antitussive agents, narcotics. Chemical name: Morphinan-6-ol, 7,8-didehydro-4,5-epoxy-3-methoxy-17-methyl-, (5alpha,6alpha)- (12 Dec 1998)

Lexicographical Neighbors of Codeine

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