the artificial process of removing waste products from the blood, e.g. when the kidneys are not working

being apart; break-up

the absence of unity

division

the division (e.g. of a country) into parts ; something that separates or divides, e.g. a thin wall between rooms

divider, division

(an act of) separating or being separated or separate; an instance, period, of not being together

being apart; break-up