1. 
   ozonosphere
   region in the upper atmosphere between about 10 and 50 km (6 and 30 miles) in altitude, in which there are appreciable concentrations of ozone and in ... [13 related articles]
   Found op http://www.britannica.com/eb/a-z/o/44
   
   
2. 
   Ozonosphere
   Another name for the ozone layer.
   Found op http://www.physicalgeography.net/physgeoglos/o.html
   
   
3. 
   ozonosphere
   ozonosphere: see ozone layer.
   Found op http://www.infoplease.com/ce6/sci/A0930564.html
   
   
4. 
   ozonosphere
   1) Layer 2) Ozone layer
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/ozonosphere/1
   
   

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