a. [ L. encausticus, Gr. &unr_;, fr. &unr_; to burn in; &unr_; in + &unr_; to burn: cf. F. encaustique. See Caustic, and cf. Ink. ] (Fine Arts) Prepared by means of heat; burned in. [ 1913 Webster ]
Encaustic painting (Fine Arts),
Encaustic tile (Fine Arts),
n. [ L. encaustica, Gr. &unr_; (sc. &unr_;): cf. F. encaustique. See Encaustic, a. ] The method of painting in heated wax, or in any way where heat is used to fix the colors. [ 1913 Webster ]