Definition of filtration noun from the Oxford Advanced Learner's Dictionary

 

filtration

 noun
noun
BrE BrE//fɪlˈtreɪʃn//
 
; NAmE NAmE//fɪlˈtreɪʃn//
 
[uncountable](chemistry)
 
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the process of filtering a liquid or gas a filtration system
See the Oxford Advanced American Dictionary entry: filtration