camphor

n. Pungent white crystalline substance used in making celluloid, medicine, and mothballs. [french ultimately from sanskrit]

n. A tough, white, aromatic resin, or gum, obtained from different species of the Laurus family, esp. from Cinnamomum camphara (the Laurus camphara of Linnaeus.). Camphor, C10H16O, is volatile and fragrant, and is used in medicine as a diaphoretic, a stimulant, or sedative.