VITRIFIED
glassy, vitreous, vitrified
(adjective) (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it; “glazed pottery”; “glassy porcelain”; “hard vitreous china used for plumbing fixtures”
VITRIFY
vitrify
(verb) undergo vitrification; become glassy or glass-like
vitrify
(verb) change into glass or a glass-like substance by applying heat
Source: WordNet® 3.1
Verb
vitrified
simple past tense and past participle of vitrify
Adjective
vitrified (comparative more vitrified, superlative most vitrified)
Converted into glass
Source: Wiktionary
Vit"ri*fied, a.
Definition: Converted into glass.
VITRIFY
Vit"ri*fy, v. t. [imp. & p. p. Vitrified; p. pr. & vb. n.
Vitrifying.] Etym: [F. vitrifier; L. vitrum glass + -ficare to make.
See Vitreous, -fy.]
Definition: To convert into, or cause to resemble, glass or a glassy
substance, by heat and fusion.
Vit"ri*fy, v. t.
Definition: To become glass; to be converted into glass.
Chymists make vessels of animal substances, calcined, which will not
vitrify in the fire. Arbuthnot.
Source: Webster’s Unabridged Dictionary 1913 Edition