of or relating to or constituting the vitreous humor of the eye; the vitreous chamber'

relating to or resembling or derived from or containing glass; vitreous rocks; vitreous silica'

(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 ]