Main Entry: di·a·lyze Variant: or Britishdi·a·lyse/'dI-&-"lIz/ Function: verb Inflected Forms: -lyzedor British-lysed; -lyz·ingor British-lys·ing Function: transitive verb : to subject to dialysis : separate orobtain by dialysis dialyzeintransitive senses : to undergo dialysis : diffuse through a suitable membrane