ozone layer
UK /ˈəʊzəʊn ˌlɛə/US /ˈoʊzoʊn ˌleɪəɹ/
noun1
- A region of the stratosphere, between 15 and 30 kilometres in altitude, containing a relatively high concentration of ozone, which absorbs most solar ultraviolet radiation.
forms
ozone layers
This dictionary works without the internet: on your phone · in Chrome