Read the dictionary definition of vitreous. All definitions for this word.
1. (of ceramics) having the surface made shiny and nonporous by fusing a vitreous solution to it
1. glazed pottery
2. glassy porcelain
3. hard vitreous china used for plumbing fixtures
2. relating to or resembling or derived from or containing glass
1. vitreous rocks
2. vitreous silica
3. of or relating to or constituting the vitreous humor of the eye
1. the vitreous chamber