filtration
Longman Dictionary of Contemporary English 5++LDOCE 5++fil·tra·tion /fɪlˈtreɪʃən/ noun [uncountable] SEPARATEthe process of cleaning a liquid by passing it through a filter 过滤
Examples from the Corpus
filtration• Aquarium 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 system• What filtration would be suitable, if undergravel would affect the plants?fil·tra·tion nounChineseSyllable
cleaning the Corpus by a of liquid process
filtration
fil‧tra‧tion /fɪlˈtreɪʃən/
noun [uncountable]
the process of cleaning a liquid by passing it through a filter
fil‧tra‧tion /fɪlˈtreɪʃən/
noun [uncountable]the process of cleaning a liquid by passing it through a filter