ozono-, ozon-, ozoni-, ozo-, oz- +

(Greek: to smell; stink; generally used in a bad sense)

The measurement of atmospheric ozone by means of special ozonoscopic papers impregnated with substances which change color according to the ozone concentration in the air.
A device for revealing the presence of ozone.
A reference to an instrument used to detect atmospheric ozone.
ozonosphere, ozone layer
1. A region in the upper atmosphere, about 6–30 miles (10–50 kilometers) high, with significant concentrations of ozone, formed by the effect of solar ultraviolet (UV) radiation on oxygen and also present in trace quantities elsewhere in earth's atmosphere.
2. The layer of the upper atmosphere, from 15 to 50 kilometers (10 to 30 miles) above the earth's surface, where most atmospheric ozone collects, absorbing harmful ultraviolet radiation from the sun.

In the 1980's it was realized that industrial pollutants such as CFC's were damaging the ozone layer and that holes had appeared in it, especially over the Antarctic.

CFC refers to a gas containing carbon, hydrogen, chlorine, and fluorine; some forms of which are said to damage the ozone layer in the earth's atmosphere.

A reference to, or containing, ozone.
1. Having a foul-smelling breath; halitosis.
2. A situation in which a person's breath has an offensive odor.

Inter-related cross references, directly or indirectly, involving word units meaning "smell, odor": arom-; brom-; odor-, odori-; olfacto-; osmo-; osphresio-.