1. converting or being converted into glass or a glass-like substance through heat treatment
Usage: technical; present participle of vitrify

Examples

• The potter is vitrifying the clay at extremely high temperatures.
• The volcanic ash was vitrifying under the intense heat.
• Scientists observed the sand vitrifying during the lightning strike.
• The kiln reached the temperature necessary for vitrifying the ceramic glaze.
• Nuclear waste can be safely stored by vitrifying it into glass blocks.
• The extreme heat from the explosion was vitrifying the surrounding soil.