1.(Chem.) An alkaloid, C18H19NO2, prepared from codeine. In its effects it resembles apomorphine.
apocodeine
apocodeine
[¦ap·ə¦kō‚dēn] (pharmacology) C18H19NO2 White crystals with a melting point of 124°C; decomposes on melting; soluble in alcohol and ether; used in medicine.