Driers: Substances that are added to oil-paints to hasten the drying. The idea is, if possible, to make all the colours dry at an even speed. Quick-drying pigments include: umbers, siennas, ochres and flake white; slow-drying are such as alizarin crimson, ivory black and vermilion.

 

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Driers: Substances that are added to oil-paints to hasten the drying. The idea is, if possible, to make all the colours dry at an even speed. Quick-drying pigments include: umbers, siennas, ochres a . . . View Full Definition

Siccative: A substance added to oil-colours to considerably hasten their speed of drying. Faster than driers, it is intended as an accelerating agent only, not as an equalizer across the whole palette.

Megilp: (also termed: mcguilp, magilp) An 18th-century oil-painting medium, a mixture of linseed oil, mastic varnish and lead driers. It is a jelly-like substance slightly cloudy and yellow. It does . . . View Full Definition