vitrifiable

As a Potter I make clays my first article, after which stones vitrifiable will follow, but I cannot draw the line betwixt clays and some of the stones.

The Creation of Color in Eighteenth-Century Europe 2006

It is unusual to find a clay being both highly plastic and refractory, and so usually the bond clay is made from a mixture of a stoneware clay or a vitrifiable plastic clay and a refractory clay such as kaolin.

1. Refractories 1987

The time necessary for the exposure can be ascertained by taking out one of the many pieces of glass, applying to the sensitive surface a vitrifiable color, and observing whether the color adheres well.

Scientific American Supplement, No. 384, May 12, 1883 Various

When the frame has been sufficiently exposed, it is taken into the dark room, the sensitized pieces of glass laid on a plate of glass or marble with the sensitive surface turned upward, and the previously prepared vitrifiable color strewed over it by means of a few light strokes of a brush.

Scientific American Supplement, No. 384, May 12, 1883 Various

This is used either directly or after it has been toned, or ornamented, or made a background for a figure subject by painting the same upon it with vitrifiable pigments, fused to its surface or incorporated with its substance by the means of heat.

The Catholic Encyclopedia, Volume 14: Simony-Tournon 1840-1916 1913

It was opaque, a milky white color, and was coarsely decorated with vitrifiable colors in

Home Life in Colonial Days Alice Morse Earle 1881

Many pieces have been preserved that have been painted in vitrifiable colors, the designs are crude, the colors red, yellow, blue, and occasionally black or green.

Customs and Fashions in Old New England Alice Morse Earle 1881

1˚, Une substance qui mette la matiere vitrifiable en fusion.

The Creation of Color in Eighteenth-Century Europe 2006