Synonym of vitrify: to convert a silica-bearing material to a glasslike substance by applying heat.
To convert (radioactive waste) into a glasslike substance for long-term storage.
To the convert sand or soil of (a particular geographic area) to a glasslike state using the heat from a thermonuclear detonation.
To convert into glass or a glass-like substance by heat and fusion.
To be converted into glass, especially through heat.