lac
Resinous incrustation produced by the female of the lac insect (Laccifer lacca), which eventually covers the twigs of trees in India and the Far East. The gathered twigs are known as stick lac, and yield a useful crimson dye; shellac, which is used in varnishes, polishes, and leather dressings, is manufactured commercially by melting the separated resin and spreading it into thin layers or flakes.
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