drying oil

noun

any of a group of oily, organic liquids occurring naturally, as linseed, soybean, or dehydrated castor oil, or synthesized, that when applied as a thin coating absorb atmospheric oxygen, forming a tough, elastic layer.

drying oil

one of a number of animal or vegetable oils, such as linseed oil, that harden by oxidation on exposure to air: used as a base for some paints and varnishes

First recorded in 1860–65

Like all bituminous earths, it needs the strongest drying oil.

Prussian blue (preferably Turnbulls), ground with pale, quick-drying oil.

The surface is prepared by a coating of white lead in drying oil.

An oil is expressed from its kernel which is known as nut-oil, and is much used by painters as a drying oil.

Drying oil was well known to the ancients, that is before the Christian era.

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