Definition of dialysis noun from the Oxford Advanced American Dictionary

 

dialysis

 noun
noun
NAmE//daɪˈæləsəs//
 
[uncountable](technology)
 
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a process for separating substances from a liquid, especially for taking waste substances out of the blood of people with damaged kidneys kidney/renal dialysis a dialysis machine
See the Oxford Advanced Learner's Dictionary entry: dialysis