FILTRATION
    
Meaning of FILTRATION in English
	
fil.ˈtrāshən noun
( -s )
 1. : the process of filtering
2. : the process of passing through or as if through a filter : percolation ; also : diffusion
	
	
	Webster's New International English Dictionary.
    	Новый международный словарь английского языка Webster.
	2012