ozonosphere, n.
(ozonospheres)
(ozonospheres)
a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
<noun.object>
ozone layer ozonosphere
Word
a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
<noun.object>
ozone layer ozonosphere