Of or relating to or constituting the vitreous humor of the eye.
2.
Relating to or resembling or derived from or containing glass. "Vitreous silica"
3.
(of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it. Synonyms:glassy, vitrified."Glassy porcelain" , "Hard vitreous china used for plumbing fixtures"
