In this variety of painting, vitrifiable colours are laid on thin plates of metals, and fused into it.
Rock is vitrifiable as free-stone, and of the same nature, only it is harder and the parts more connected.
It literally means covering with glass or any vitrifiable substance having similar properties.
For example, we see that in the pits at Amsterdam and Marly la Ville, vitrifiable sand was below every other stratum.
The materials of the second class are all vitrifiable excepting those which the fire entirely consumes by inflammation.
Two heavy glass beakers brought from Holland, decorated with vitrifiable colors like the Bristol glass, are unusual pieces.