vitreous
adj 1: of or relating to or constituting the vitreous humor of the
eye; "the vitreous chamber"
2: relating to or resembling or derived from or containing
glass; "vitreous rocks"; "vitreous silica"
3: (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" [syn: {glassy}, {vitrified}]