Dictionary
na•prox•en
Pronunciation: (nu-prok'sun), [key]—
n. Pharm.
a nonsteroidal anti-inflammatory substance, C
14H
14O
3, used chiefly in the management of certain types of arthritis and as a painkiller.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.