Dictionary
le•vor•pha•nol
Pronunciation: (lu-vôr'fu-nôl", -nol"), [key]—
n. Pharm.
a potent synthetic narcotic analgesic, C
21H
29NO
7, as the tartrate, used in the treatment of moderate to severe pain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.