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From Latin vitrum (glass) +‎ -ify.


  • IPA(key): /ˈvɪt.rɪ.fʌɪ/


vitrify (third-person singular simple present vitrifies, present participle vitrifying, simple past and past participle vitrified)

  1. (transitive) To convert into, or cause to resemble, glass or a glassy substance, by heat and fusion.
  2. (intransitive) To be converted into glass, especially through heat.
    • 1977: Her work was endless, she carried tubs and cauldrons and pails of heat-blasted sand, sand blasted into liquid glass, up the ladder that had vitrified where her bucket splashed, and tipped the liquid glass into the swimming pool, where, at the touch of the water, it turned into her huge, solid tears. — Angela Carter, The Passion of New Eve