fixed oil

American  

noun

Chemistry.

1. a natural vegetable or animal oil that is nonvolatile, as lard oil, linseed oil, etc.

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fixed oil British  

noun

1. Also called: fatty oil.  a natural animal or vegetable oil that is not volatile: a mixture of esters of fatty acids, usually triglycerides Compare essential oil

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Etymology

Origin of fixed oil

First recorded in 1790–1800

Example Sentences

By means of calculation applied to the products of these experiments, we find that fixed oil is composed of 21 parts, by weight, of hydrogen combined with 79 parts of charcoal.

From Elements of Chemistry, In a New Systematic Order, Containing all the Modern Discoveries by Lavoisier, Antoine

In Europe a fixed oil, usually that of the bean or morerja nut, is employed.

From The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. by Simmonds, P. L.

Chemically, it contains an acrid fixed oil, and a yellow glucoside.

From Herbal Simples Approved for Modern Uses of Cure by Fernie, William Thomas

There is also a fixed oil in the seeds.

From Herbal Simples Approved for Modern Uses of Cure by Fernie, William Thomas

Other ingredients are a fixed oil, present to the extent of 30%, ergotinic acid, a glucoside, trimethylamine, which gives the drug its unpleasant odour, and sphacelinic acid, a non-nitrogenous resinoid body.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" by Various