a natural resin secreted by the lac insect (Laccifer lacca) which feeds on the twigs of various trees, e.g. butea, ficus, acacia, schleichera, zizyphus, growing in Southeast Asia (India mainly, but al, shellac - the refined form of lac, the secretion of the insect, Lacifer lacca, parasitic on trees on SE Asia. Consists of a mixture of a red dye, wax and natural polymer etc., kollane kuni pruun looduslik vaik. Tekib mõningatel troopika- ja lähistroopikapuudel parasiteerivate putukate elutegevuse tagajärjel (ladestub õhukeste läbipaistmatute soomustena ... Š. on valgus- ja