| cedar leaf oil | Oil obtained by steam distillation from the fresh leaves of Thuja occidentalis; used as an insect repellent and counterirritant, and in perfumery. Synonym: thuja oil. (05 Mar 2000) |
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| cedar wood oil | Volatile oil obtained from the wood of Juniperus virginiana (family Pinaceae); used as an insect repellent, in perfumery, and as a clearing agent in microscopy. (05 Mar 2000) |