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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
    • n.
      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).
    • 2. short for ozone layer
    • 3. fresh invigorating air, especially that blowing onto the shore from the sea.
    • n. a region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of chlorofluorcarbons and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer.

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    • adj. causing a reduction in the concentration of ozone in the ozone layer:

    • a toxic ozone-depleting chemical

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    • n. a layer in the earth's stratosphere at an altitude of about 10 km (6.2 miles) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

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    • n. a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

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    • n. reduction in the concentration of ozone in the ozone layer:

    • this chemical contributes to ozone depletion

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    • 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

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    • n. a region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of CFCs and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer.

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    • adj. causing a reduction in the concentration of ozone in the ozone layer:

    • a toxic ozone-depleting chemical

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    • 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).

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