WordReference Random House Unabridged Dictionary of American English © 2026
vit•ri•fy
(vi′trə fī′),USA pronunciation v.t., v.i., -fied, -fy•ing.
vit′ri•fi′a•bil′i•ty, n.
vit′ri•fi′a•ble, adj.
- to convert or be converted into glass.
- to make or become vitreous.
- 1585–95; vitri- + -fy; compare French vitrifier
vit′ri•fi′a•ble, adj.