Mo·sa·ic, a. Of or pertaining to the style of work called mosaic; formed by uniting pieces of different colors; variegated; tessellated; also, composed of various materials or ingredients.
    A very beautiful mosaic pavement.   --Addison.
 Florentine mosaic. See under Florentine.
 Mosaic gold. (a) See Ormolu.  (b) Stannic sulphide, SnS2, obtained as a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder.
 Mosaic work. See Mosaic, n.