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Definition of Ozone layer
1. Noun. A layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun.
Exact synonyms: Ozonosphere
Generic synonyms: Layer
Terms within: Ozone Hole
Group relationships: Stratosphere
Generic synonyms: Layer
Terms within: Ozone Hole
Group relationships: Stratosphere
Definition of Ozone layer
1. Noun. A region of the stratosphere, between 15 and 30 kilometres in altitude, containing a relatively high concentration of ozone; it absorbs most solar ultraviolet radiation ¹
¹ Source: wiktionary.com