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  1. ruby glass

    • n.
      glass coloured red by the inclusion of specific impurities such as gold or metal oxides.
    • noun: ruby glass

    • 更多解釋
    • IPA[ˈro͞obē ɡlas]
    • n.
      glass colored red by the inclusion of specific impurities such as metal oxides or gold.

    Oxford American Dictionary