En‐caus″tic (?), a. [L. encausticus, Gr. �, fr. � to burn in; � in + � to burn: cf. F. encaustique. See Caustic, and cf. Ink.] (Fine Arts) Prepared by means of heat; burned in.
Encaustic painting(Fine Arts), painting by means of wax with which the colors are combined, and which is afterwards fused with hot irons, thus fixing the colors. — Encaustic tile(Fine Arts), an earthenware tile which has a decorative pattern and is not wholly of one color.