Enamel

n. [Prefix en and amel, q. v.]

1. A substance of the nature of glass, but more fusible and nearly opaque, used in ornamental inlaying of jewelry, and for like purposes, with a variety of colors; also, other materials used for giving a highly polished, ornamental surface.
2. (Min.) A glassy, opaque bead obtained by the blow-pipe.
3. That which is enameled; a smooth, glossy surface, of various colors, resembling enamel.
4. (Anat.) The smooth, hard substance which covers the crown or visible part of a tooth, overlying the dentine.

v.t. [imp. & p.p. ENAMELED, or ENAMELLED; p. pr. & vb. n. ENAMELING, or ENAMELLING.]

1. To lay enamel upon, as on gold, silver, copper &c.; to paint in enamel.
2. To form a glossy surface like enamel upon; as, to enamel card-paper; to enamel leather or cloth.