| rapeseed oil | The compressed oil from the seeds of Brassica campestris (family Cruciferae); used in the manufacture of soaps, margarine, and lubricants. Origin: L. Rapa, turnip (05 Mar 2000) |
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| rectified tar oil | A volatile oil distilled from pine tar; used externally in the treatment of skin diseases such as eczema and psoriasis. (05 Mar 2000) |
| cassia oil | The volatile oil distilled with steam from the leaves and twigs of Cinnamomum cassia; it contains not less than 80% by volume of the total aldehydes of cinnamon oil. Synonym: cassia oil. (05 Mar 2000) |
| castor oil | <chemical> An oil obtained from the seed of ricinus communis. It is used as a cathartic and as a plasticiser for pharmaceutical preparations, and has been used as a bland emollient to the skin in certain dermatoses. Pharmacological action: cathartic, emollients, pharmaceutic aid. Chemical name: Castor oil (12 Dec 1998) |
| gingili oil | <chemical> The refined fixed oil obtained from the seed of one or more cultivated varieties of sesamum indicum. It is used as a solvent and oleaginous vehicle for drugs and has been used internally as a laxative and externally as a skin softener. It is used also in the manufacture of margarine, soap, and cosmetics. Chemical name: Fats and Glyceridic oils, sesame (12 Dec 1998) |
| 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) |
| 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) |
| peach kernel oil | See: persic oil. (05 Mar 2000) |
| peanut oil | Oil extracted from the kernels of one or more cultivated varieties of Arachis hypogaea (family Leguminosae); used as a solvent for intramuscular injections and in the preparation of foods. Synonym: arachis oil. (05 Mar 2000) |
| volatile mustard oil | CH2==CH-CH2-NCS; volatile mustard CH-allylisosulfocyanate; isothiocyanic allyl ester;obtained from Brassica nigra or produced synthetically; a vesicant, used in 10% solution in 50% alcohol as a counterirritant in neuralgia. Gives mustard its characteristics flavor and aroma. See: mustard oil. Synonym: volatile mustard oil. (05 Mar 2000) |
| volatile oil | A substance of oily consistency and feel, derived from a plant and containing the principles to which the odour and taste of the plant are due (essential oil); in contrast to a fatty oil, a volatile oil evaporates when exposed to the air and thus is capable of distillation; it may also be obtained by expression or extraction; many volatile oil's, identical to or closely resembling the natural oil's, can be made synthetically. Volatile oil's are used in medicine as stimulants, stomachics, correctives, carminatives, and for purposes of flavoring (e.g., peppermint oil). Synonym: ethereal oil. (05 Mar 2000) |
| peppermint oil | The volatile oil distilled with steam from the fresh, overground parts of the flowering plant of Mentha piperita, rectified by distillation and neither partially nor wholly dementholised; a flavor. (05 Mar 2000) |
| percomorph oil | A liver oil from fish of the order Percomorphi, with a standardised amount of vitamins A and D. (05 Mar 2000) |
| chaulmoogra oil | The fixed oil expressed from seeds of Taraktogenos kurzii and Hydnocarpus wightiana (family Flacourtiaceae); formerly used in the treatment of leprosy. Synonym: gynocardia oil, hydnocarpus oil. (05 Mar 2000) |
| checkerberry oil | Aromatic methyl ester of salicylic acid, produced synthetically or distilled from Gaultheria procumbens (family Ericaceae) or from Betula lenta (family Betulaceae). Used as a component of liniments, used externally and internally for the treatment of various forms of rheumatismit produces heat when rubbed into the skin (counterirritant). Synonym: checkerberry oil, gaultheria oil, sweet birch oil, wintergreen oil. (05 Mar 2000) |