adj. & n.
adj. 1 (in painting, ceramics, etc.) using pigments mixed with hot wax, which are burned in as an inlay. 2 (of bricks and tiles) inlaid with differently coloured clays burnt in.
n. 1 the art of encaustic painting. 2 a painting done with this technique.
[ L encausticus f. Gk egkaustikos (as EN-(2), CAUSTIC) ]