From Longman Dictionary of Contemporary Englishvitrifyvit‧ri‧fy /ˈvɪtrɪfaɪ/ verb (vitrified, vitrifying, vitrifies) [intransitive, transitive] technicalTIG if a substance vitrifies or is vitrified, it changes into glass —vitrification /ˌvɪtrɪfɪˈkeɪʃən/ noun [uncountable]→ See Verb table
