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ozone layer

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ˈo•zone ˌlay•er, n. [countable;
usually: the + ~]

Meteorologythe layer of the upper atmosphere where most of the ozone is concentrated, from about 8 to 30 mi. (12 to 48 km) above the earth.

o′zone lay′er,

[Meteorol.]the layer of the upper atmosphere where most atmospheric ozone is concentrated, from about 8 to 30 mi. (12 to 48 km) above the earth, with the maximum ozone concentration occurring at an altitude of about 12 mi. (19 km). Also called o•zo•no•sphere

Collins Concise English Dictionary © HarperCollins Publishers::

ozone layer n

the region of the stratosphere with the highest concentration of ozone molecules, which by absorbing high-energy solar ultraviolet radiation protects organisms on earthAlso called: ozonosphere

'ozone layer' also found in these entries (note: many are not synonyms or translations):

halon - ozone-friendly - ozonosphere - chlorofluorocarbon - chlorofluoromethane - fluorocarbon - ozone hole

In Lists: Weather, Things that melt, more...

🗣️Forum discussions with the word(s) "ozone layer" in the title:

A form of oxygen that is found in a layer high in the earth's atmosphere called ozone.
ozone layer present
The ozone layer is getting thinner ______ the danger that human beings face.
the ozone layer will get a hole
the ozone layer will get thinner

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