definition of
vitreous

[1] #1 vitreous a. of or relating to or constituting the vitreous humor of the eye; "the vitreous chamber". wn

[2] #2 vitreous a. relating to or resembling or derived from or containing glass; "vitreous rocks"; "vitreous silica". wn

[3] #3 vitreous s. [glassy, vitrified] (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". wn