v. vit·ri·fied, vit·ri·fy·ing, vit·ri·fies
To change or make into glass or a glassy substance, especially through heat fusion.
To become vitreous.
[French vitrifier, from Medieval Latin vitrificāre : Latin vitrum, glass + Latin -ficāre, -fy.]
vit′ri·fi·cation (-fĭ-kāshən) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.