underglaze

Design or colours applied, cut or incised into a ceramic body before glazing and firing. See high temperature colours.

Underglaze

Underglaze is a method of decorating ceramic articles, the decoration is applied to the surface before it is glazed. Because the glaze will subsequently cover it such decoration is completely durable, but because the subsequent glost firing is at a higher temperature than used in on-glaze decoration the range of available colours is more limited. ...
Found on http://en.wikipedia.org/wiki/Underglaze

Underglaze

• (a.) Applied under the glaze, that is, before the glaze, that is, before the glaze is put on; fitted to be so applied; -- said of colors in porcelain painting.
Found on http://thinkexist.com/dictionary/meaning/underglaze/

Underglaze

Pigments applied to the raw clay or bisque and covered with a transparent glaze, having the advantage of permanence.
Found on http://www.studiocrafts.com/Craftscapes/glossary.html
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