enamel

n. [ Pref. en- + amel. See Amel, Smelt, v. t. ] 1. A variety of glass, used in ornament, to cover a surface, as of metal or pottery, and admitting of after decoration in color, or used itself for inlaying or application in varied colors. [ 1913 Webster ]

2. (Min.) A glassy, opaque bead obtained by the blowpipe. [ 1913 Webster ]

3. That which is enameled; also, any smooth, glossy surface, resembling enamel, especially if variegated. [ 1913 Webster ]

4. (Anat.) The intensely hard calcified tissue entering into the composition of teeth. It merely covers the exposed parts of the teeth of man, but in many animals is intermixed in various ways with the dentine and cement. [ 1913 Webster ]

5. Any one of various preparations for giving a smooth, glossy surface like that of enamel. [ Webster 1913 Suppl. ]

6. A cosmetic intended to give the appearance of a smooth and beautiful complexion. [ Webster 1913 Suppl. ]

Enamel painting, painting with enamel colors upon a ground of metal, porcelain, or the like, the colors being afterwards fixed by fire. --
Enamel paper, paper glazed a metallic coating. [ 1913 Webster ]