vitreous -- (of or relating to or constituting the vitreous humor of the eye; "the vitreous chamber")
vitreous -- (relating to or resembling or derived from or containing glass; "vitreous rocks"; "vitreous silica")
glassy, vitreous, 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")
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