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

intransitive verb. To become vitreous.

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

To become glass; be converted into glass.

transitive verb. To become glass; to be converted into glass.

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

verb. to be made into glass, especially through heat

verb. undergo vitrification; become glassy or glass-like

verb. 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  vitrifying  

alter  change  modify  

glaze  vitrificate  

vitrified  

vitrified  vitrifies  vitrifying