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.
Origin of drying oil
First recorded in 1860–65
Words nearby drying oil
drybrush,
dryden,
dryer,
drygas,
drying,
drying oil,
drying-out,
dryland,
dryland farming,
dryly,
dryomorph
British Dictionary definitions for drying oil
drying oil
noun
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