1. 
   Frontolysis
   Frontolysis - in meteorology, is the dissipation or weakening of an atmospheric front. In contrary to areas of "Frontogenesis", the areas where air masses diverge are called areas of frontolysis. Siberia and Canada are examples of areas of frontolysis ...
   Found op http://en.wikipedia.org/wiki/Frontolysis
   
   
2. 
   FRONTOLYSIS
   The destruction or dying of a front where the transition zone is losing its contrasting properties. The opposite of frontogenesis.
   Found op http://www.weather.com/glossary/f.html
   
   

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