Comprehensive
Dictionary Suite
Help
Help
Help
 
     
Lookup History
ozone layer

ozone layer

 
pronunciation:
o zon leI r
features:
Word Explorer
part of speech: noun
definition: an atmospheric layer between ten and twenty miles above the earth that contains a substantial concentration of ozone, which absorbs ultraviolet radiation from space and prevents some heat loss from the earth; ozonosphere.
Word Explorer
See
  earth