verb (used with object), de·vit·ri·fied, de·vit·ri·fy·ing.
- Chemistry. to deprive, wholly or partly, of vitreous character or properties.
verb (used without object), de·vit·ri·fied, de·vit·ri·fy·ing.
- Petrology. (of a volcanic rock or particle) to undergo a change in texture from glassy to crystalline.
verb -fies, -fying or -fied
- to change from a vitreous state to a crystalline state
- to lose or cause to lose the properties of a glass and become brittle and opaque