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camphor oil

noun

a colorless liquid obtained from the wood of the camphor tree by distillation and separation from the solid camphor, used in varnish, soaps, and shoe polish, and in medicine chiefly as a rubefacient.

Origin of camphor oil

First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
camphor oil in Science

camphor oil

The oil that is obtained from the wood of the camphor tree and is used to make camphor. It is extracted from the wood by steam distillation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.