codeine

(kō′dēn′)

noun

a narcotic alkaloid, CHNO·HO, derived from opium and resembling morphine, but less habit-forming: used in cough medicines and to relieve pain

Origin: < Gr kōdeia, poppy head + -ine

See codeine in American Heritage Dictionary 4

noun

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

Origin:

Origin: French codéine

Origin: : Greek kōdeia, poppy head (from kōos, cavity; see keuə- in Indo-European roots)

Origin: + -ine, alkaloid; see -ine²

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