cedar oil

cedar oil
cedarwood oil, oil of cedar wood a volatile oil from the wood of the red cedar, Juniperus virginiana, used as a clearing agent in microscopical techniques; the thicker fraction is used as the immersion medium with oil-immersion objectives.

Medical dictionary. 2011.

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  • Cedar oil — was used as the base for paints by the ancient Sumerians. They would grind cobalt compounds in a mortar and pestle to produce a blue pigment. They could obtain green from copper, yellow from lead antimoniate, black from charcoal, and white from… …   Wikipedia

  • CEDAR — (Heb. אֶרֶז, erez), the Cedrus libani. The cedar formerly covered extensive areas of the Lebanon mountains. In biblical times, potentates used cedar wood in the construction of palaces and other major buildings (cf. Isa. 9:9). The cedar was… …   Encyclopedia of Judaism

  • cedar — O.E. ceder, blended in M.E. with O.Fr. cedre, from L. cedrus, from Gk. kedros cedar, juniper, origin uncertain. Cedar oil was used by the Egyptians in embalming as a preservative against decay and the word for it was used figuratively for… …   Etymology dictionary

  • Oil immersion — Principle of immersion microscopy. Path of rays with immersion medium (yellow) (left half) and without (right half). Rays (black) coming from the object (red) at a certain angle and going through the coverslip (orange, as the slide at the bottom) …   Wikipedia

  • Cedar — Taxobox name = Cedar image width = 240px image caption = Lebanon Cedar in Al Shouf Cedar Nature Reserve, Barouk, Lebanon regnum = Plantae divisio = Pinophyta classis = Pinopsida ordo = Pinales familia = Pinaceae genus = Cedrus genus authority =… …   Wikipedia

  • Cedar Tree —     Cedar     † Catholic Encyclopedia ► Cedar     [éréz, kedros, cedrus].     A coniferous tree frequently mentioned in the Bible. The Hebrew éréz, like the corresponding Arabic arz, the Greek (kedros), the Latin cedrus, or the English cedar, m …   Catholic encyclopedia

  • 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. SYN: thuja oil …   Medical dictionary

  • cedar — /see deuhr/, n. 1. any of several Old World, coniferous trees of the genus Cedrus, having wide, spreading branches. Cf. cedar of Lebanon. 2. any of various junipers, as the red cedar, Juniperus virginiana, of the cypress family, having reddish… …   Universalium

  • Cedar Key, Florida — Infobox Settlement official name = Cedar Key, Florida other name = native name = nickname = settlement type = City motto = imagesize = 250x200px image caption = Aerial view of Cedar Key and its outlying islands, illustrating the extremely small… …   Wikipedia

  • cedar camphor — Camphor Cam phor (k[a^]m f[ e]r), n. [OE. camfere, F. camphre (cf. It. canfora, Sp. camfora, alcanfor, LL. canfora, camphora, NGr. kafoyra ), fr. Ar. k[=a]f[=u]r, prob. fr. Skr. karp[=u]ra.] 1. A tough, white, aromatic resin, or gum, obtained… …   The Collaborative International Dictionary of English

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