a narcotic alkaloid, CHNOHO, derived from opium and resembling morphine, but less habit-forming: used in cough medicines and to relieve pain
Origin of codeine; from Classical Greek k?deia, poppy head + -ine
An alkaloid narcotic, C18H21NO3, derived from opium or morphine and used as a cough suppressant, analgesic, and hypnotic.
Origin of codeineFrench codéine : Greek kōdeia, poppy head (from kōos, cavity; see keu&schwa;- in Indo-European roots) + -ine, alkaloid; see –ine2.
From French codéine.