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  1. Oxford Dictionary

    ozone

    • IPA[ˈəʊzəʊn]

    英式

    • n.
      a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O2) in having three atoms in its molecule (O3).；short for ozone layer

    • noun: ozone

    • 釋義

    名詞

    • 1. a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O2) in having three atoms in its molecule (O3).
    • ▪ short for ozone layer
    • 2. British informal fresh invigorating air, especially that blowing on to the shore from the sea.