Encaustic /(?)/

En·caus·tic

Encaustic

a.
  1. Prepared by means of heat; burned in. (Fine Arts)

Phrases & Compounds
Encaustic painting
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
an earthenware tile which has a decorative pattern and is not wholly of one color.

Encaustic

n.
  1. The method of painting in heated wax, or in any way where heat is used to fix the colors.