ceramic glaze

(engineering) A glossy finish on a clay body obtained by spraying with metallic oxides, chemicals, and clays and firing at high temperature.

An opaque, colored glaze of satin or gloss finish; obtained by coating the clay body with a compound of metallic oxides, chemicals, and clays, either by spraying or by dipping, and then burning at high temperatures; the glaze is fused to the body, making them inseparable.