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English definition of “dialysis”

dialysis

noun [U] uk   /daɪˈæl.ə.sɪs/ specialized us  
a process of separating substances from liquid by putting them through a thin piece of skin-like material, especially to make pure the blood of people whose kidneys are not working correctly: a dialysis machine kidney dialysis She is on (= being treated by) dialysis.Separating and dividing
(Definition of dialysis from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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