释义 |
co·pal \ˈkōpəl, -ˌpal\ noun (-s) Etymology: Spanish, from Nahuatl copalli resin : 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 — see congo copal, kauri 3, manila copal |