To become congealed; to convert from a liquid to a semisolid mass.
To cause to congeal.
A mass formed by means of coagulation.
To convert (radioactive waste) into a glasslike substance for long-term storage.
Synonym of vitrify: to convert a silica-bearing material to a glasslike substance by applying heat.
To the convert sand or soil of (a particular geographic area) to a glasslike state using the heat from a thermonuclear detonation.