- a brittle aromatic resin used in varnishes
- Copal is a type of resin produced from plant sap, often from members of the genus Copaifera. The term is particularly identified with the aromatic tree resins used by the cultures of pre-Columbian Mesoamerica as ceremonially burned incense and other purposes. ...
- a resinous exudation from various tropical trees that is collected from living trees or dug from the ground as a fossil, that when hard must be rendered soluble in alcohol and other organic solvents by heating, and that is used chiefly in making varnishes and printing ink
- (white, black and golden, most often burned for purification and cleansing, both spiritual cleansing as well as the cleansing of physical items);
- Brittle aromatic yellow to red resins of recent or fossil origin, obtained from tropical trees.