glassify

verb3

1. •
   To the convert sand or soil of (a particular geographic area) to a glasslike state using the heat from a thermonuclear detonation.
2. •
   To convert (radioactive waste) into a glasslike substance for long-term storage.
3. •
   Synonym of vitrify: to convert a silica-bearing material to a glasslike substance by applying heat.