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v. To change or make into glass or a glassy substance, especially through heat fusion.

verb-intransitive. To become vitreous.

v. to be made into glass, especially through heat

v. To convert into, or cause to resemble, glass or a glassy substance, by heat and fusion.

v. To become glass; to be converted into glass.

To convert into glass by the action of heat. See glass.

To become glass; be converted into glass.

v. undergo vitrification; become glassy or glass-like

v. change into glass or a glass-like substance by applying heat

"The painting with vitreous colours on glass depends entirely on the same principles as painting in enamel, and he manner of executing it is likewise the same, except that in this the transparency of the colours being indispensably requisite no substance can be used to form them but such as vitrify perfectly, since, without such vitrification, there can be no transparency."

vitrified    vitrifies    vitrifying   

change    modify    alter   

vitrified   

vitrified    vitrifying   

vitrificate    glaze