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ozone US English

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)

ozone hole US English

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

ozone layer US English

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

ozone-sonde US English

A sonde which transmits information on the ozone content of the atmosphere.

ozone-benign US English

= ozone-friendly.

ozone shield US English

= ozone layer.

ozone depleter US English

Any of various environmental pollutants which contribute to the depletion of the ozone layer in the earth's atmosphere.

ozone-depleting US English

Causing a reduction in the concentration of ozone in the ozone layer

ozone depletion US English

Reduction in the concentration of ozone in the ozone layer

ozone-friendly US English

(Of manufactured products) not containing chemicals that are destructive to the ozone layer

ozone-destroying US English

That causes, or contains chemicals that cause, the destruction of the ozone layer.