Encaustic painting, also known as hot wax painting, involves using heated beeswax to which colored pigments are added. The liquid/paste is then applied to a surface — usually prepared wood, though canvas and other materials are often used....
Encaustic tiles are ceramic tiles in which the pattern or figure on the surface is not a product of the ceramic glaze but of different colors of clay....
Painted with wax colors filled with heat, or with any process in which colors are burned in.