VITRIFY

vitrify. Vitrify, v. to convert into glass-or become glass by heat

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Vit″ri‐fy (?), v. t. [imp. & p. p. Vitrified (?); p. pr. & vb. n. Vitrifying (?).] [[F. vitrifier; L. vitrum glass + -ficare to make. See Vitreous, -fy.]] To convert into, or cause to resemble, glass or a glassy substance, by heat and fusion.