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  1. ozone

    • IPA[ˈōˌzōn]

    美式

    • n.
      a colorless unstable toxic gas with a pungent odor 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
    • 相關詞

    名詞

    • 1. a colorless unstable toxic gas with a pungent odor 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
    • fresh invigorating air, especially that blowing onto the shore from the sea.
    • adj.
      causing a reduction in the concentration of ozone in the ozone layer: a toxic ozone-depleting chemical

    Oxford Dictionary

    • n.
      reduction in the concentration of ozone in the ozone layer: this chemical contributes to ozone depletion

    Oxford Dictionary

    • n.
      a region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed ...

    Oxford American Dictionary

    • n.
      a region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed ...

    Oxford Dictionary

    • n.
      a layer in the earth's stratosphere at an altitude of about 10 km (6.2 miles) containing a ...

    Oxford Dictionary

    • adj.
      (of manufactured products) not containing chemicals that are destructive to the ozone layer: ozone-friendly aerosols some fridges are claiming to be ozone-friendly

    Oxford American Dictionary

    • adj.
      causing a reduction in the concentration of ozone in the ozone layer: a toxic ozone-depleting chemical

    Oxford American Dictionary

    • n.
      reduction in the concentration of ozone in the ozone layer: this chemical contributes to ozone depletion

    Oxford American Dictionary

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    • IPA[ˈəʊzəʊn]

    英式

    • n.
      a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed ...

    Oxford Dictionary

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