verb (used with or without object), vit·ri·fied, vit·ri·fy·ing.
- to convert or be converted into glass.
- to make or become vitreous.
verb -fies, -fying or -fied
- to convert or be converted into glass or a glassy substance
1590s, from Middle French vitrifier (16c.), from Latin vitrium “glass” (see vitreous) + -ficare, from facere “to make, do” (see factitious). Related: Vitrified.