Designating or relating to art, or a work of art, executed in black or a dark tint on a white background.

Designating work produced in various crafts in which depression below the level of a surrounding surface is a feature; made by or used in work of…

Of a painting, inscription, etc.: done on rock or cave walls.

Deception of the eye, an illusion, spec. in Art with regard to the material reality of the object(s) represented, a (usually still-life)…

treated with gesso.