WordReference Random House Unabridged Dictionary of American English © 2025
le•vor•pha•nol
(lə vôr′fə nôl′, -nol′),USA pronunciation n. [Pharm.]
- Drugsa potent synthetic narcotic analgesic, C21H29NO7, as the tartrate, used in the treatment of moderate to severe pain.
- lev- + (methylm)orph(in)an a chemical component + -ol1