The transferral of an argument from one subject, case, etc., to another of the same kind; an inference or connection based on (usually spurious) analogy.
historical, rare A change in the signs, symptoms, or treatment of a disease. Compare metabole .
Mid 16th century (in an earlier sense). From ancient Greek μετάβασις transition, change from μετα- + βάσις, after μεταβαίνειν to pass from one state to another, to change one's place, to change the subject (in writing or speech).