lac dye

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Noun1.lac dye - scarlet dye like cochineal; extracted with alkali from stick lac
stick lac - lac in its natural state as scraped off twigs and dried
dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair
References in periodicals archive ?
In today's world of synthetic dyestuffs, lac dye is a by-product of shellac production.
At the institute, lac dye is used in thangka paintings--religious paintings on scrolls--just as in mediaeval Europe the first 'lake' pigment was made and named from lac dye.
The large collection of shellac specimens includes many red lac dyes.