English dictionary
ozonosphere
/oU/'z/oU/n/@/,sf/i/r/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
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
Synonyms ozone layerSource: WordNet 3.0