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codeine Syllabification: co·deine
Pronunciation: /ˈkōˌdēn/

Definition of codeine in English:


A sleep-inducing and analgesic drug derived from morphine.
  • An alkaloid; chemical formula: C18H21NO3
Example sentences
  • Opiates - drugs like codeine and morphine that contain or are derived from opium - are considered low-grade narcotics.
  • In addition, staff were concerned that pain might be undertreated once acetaminophen with codeine was the only analgesic used for pain management.
  • If this does not work the second step is to continue these drugs and add a weak synthetic opium imitator such as codeine or oxycodone.


Mid 19th century: from Greek kōdeia 'poppy head' + -ine4.

Words that rhyme with codeine

Definition of codeine in:
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