di‧al‧y‧sis /daɪˈæləsəs, daɪˈælɪsəs/ noun [uncountable]
[Date: 1800-1900; Language: Modern Latin; Origin: Greek, 'separation', from lyein 'to loosen']
the process of taking harmful substances out of someone’s blood using a special machine, because their kidneys do not work properly:
a dialysis machine
on dialysis
He has been on dialysis for the past three years.

[TahlilGaran] Dictionary of Contemporary English ▲