vitrified

The vitrified forts surrounding England, but not in England.

The stones of these forts exist to this day, vitrified, or melted and turned to glass.

But upon hills, all over the rest of the world, are remains of forts that are not vitrified.

It was also employed in enamel painting as it vitrified without change.

Since the materials were to be vitrified by the process, they should be baked like glass.

Seven other kinds of clay, sent by Mr. Wedgwood, were all vitrified.

The harder the brick the better it is—vitrified brick is the best.

Happily, this is an age of glazed-ware and vitrified goods of every description.

Many of the ashes in these beds are vitrified, and harsh to the touch.

They were vitrified when the globe received its form, which necessarily supposes that the matter was in fusion.