noun Pharmacology.
- an opioid analgesic, C18H21NO4, used to treat moderate to severe pain.
n.from (hydr)oxy(l) + codeine. Developed 1916 in Germany; introduced in U.S. 1939.
noun Pharmacology.
n.from (hydr)oxy(l) + codeine. Developed 1916 in Germany; introduced in U.S. 1939.