Wordia - The Definition Of Glass
glass
noun, a) a hard brittle transparent or translucent noncrystalline solid, consisting of metal silicates or similar compounds. It is made from a fused mixture of oxides, such as lime, silicon dioxide, etc, and is used for making windows, mirrors, bottles, etc b) (as modifier). Related adjs vitreous, vitric
From Collins
©HarperCollins 2008. Collins English Dictionary definition of glass