English version


From Longman Dictionary of Contemporary Englishfiltrationfil‧tra‧tion /fɪlˈtreɪʃən/ noun [uncountable]  SEPARATEthe process of cleaning a liquid by passing it through a filter
Examples from the Corpus
filtrationAquarium filtration systems based on organic filters also have problems because toxins build up in the water, Fahs said.Your first question should be: Why is filtration necessary in the fish tank?They appreciate an area of water current, and power filtration may be internal or external.Will I sacrifice water quality by reducing filtration?When caffeine blocks these receptors, blood vessels dilate, increasing the filtration rate and producing more urine.a water filtration systemWhat filtration would be suitable, if undergravel would affect the plants?
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