camphor

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camphor

 [kam´fer]
a ketone derived from an Asian tree, Cinnamomum camphora, or produced synthetically; used topically for relief of itching and inhaled as a nasal decongestant.

cam·phor

(kam'fōr),
A ketone distilled from the bark and wood of Cinnamonum camphora, an evergreen tree of Taiwan and Southeast Asia and nearby islands, and also prepared synthetically from oil of turpentine; used in sundry commercial products and as a topical antiinfective and antipruritic agent.
[mediev. L., fr. Ar. kāfure]

camphor

(kăm′fər)
n.
A fragrant white or colorless crystalline ketone, C10H16O, obtained naturally from the wood of the camphor tree or synthesized from pinene and used as an insect repellent, in the manufacture of film, plastics, lacquers, and in medicine chiefly in external preparations to relieve mild pain and itching.

cam′phor·a′ceous (kăm′fə-rā′shəs) adj.
cam·phor′ic (-fôr′ĭk) adj.

camphor

A bicyclic alcoholic or ketonic terpene obtained from Cinnamomum camphora as whitish crystals; camphor is used topically as an analgesic, antipruritic, rubifacient, as a counterirritant for inflamed joints and a mouthwash; internally it is a carminative, decongestant and expectorant.

Toxicity
Prolonged exposure to camphor’s volatile oils may cause nausea, vomiting, delirium, coma and respiratory arrest.

cam·phor

(kamfŏr)
A ketone distilled from the bark and wood of Cinnamonum camphora, an evergreen tree of Taiwan and Southeast Asia and nearby islands, and also prepared synthetically from oil of turpentine; used in sundry commercial products and as a topical antiinfective and antipruritic agent.

cam·phor

(kamfŏr)
A ketone distilled from the bark and wood of Cinnamonum camphora; used as a topical antiinfective and antipruritic.