vitrification
Definitions
Construction
- A process of melting soil or wastes to a liquid form, and then cooling the liquid to a hard, glass-like material.
- The fusion of grains in clay products under high kiln temperatures, resulting in closure of pores and an impervious material.
- A process that transforms the chemical and physical characteristics of hazardous waste so that the treated residues contain hazardous material immobilized in a vitreous mass.
http://www.dictionarycentral.com/definition/vitrification.html