unvitrified
/ʌnˈvɪtrɪfaɪd/
adjective
- Not converted into glass or a glass-like substance by heat.
- The pottery was left unvitrified, so it remained porous and fragile.
- In the kiln, some tiles came out fully glazed while others were unvitrified.
- The ancient bricks were unvitrified, which explained why they crumbled so easily.
Antonyms