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  1. Oxford American Dictionary

    water glass

    • IPA[ˈwôdər ˌɡlas]

    美式

    • n.
      a solution of sodium or potassium silicate. It solidifies on exposure to air and is used to make silica gel and for preserving eggs and hardening artificial stone.；an instrument for making observations beneath the surface of water, consisting of a bucket with a glass bottom.

    • noun: water glass, plural noun: water glasses