dialyze Syllabification: (di·a·lyze)Pronunciation: /ˈdīəˌlīz/ (British dialyse)Definition of dialyze verb [with object] purify (a mixture) by means of dialysis. treat (a patient) by means of dialysis. Origin: mid 19th century: from dialysis, on the pattern of analyzedialyze in other Oxford dictionaries Definition of dialyze in the British & World English dictionary