uricosuric adjective 1noun 1forms 1 adjective1 •Pertaining to gout suppressants that act directly on the renal tubule to increase the excretion of uric acid, thus reducing its concentrations in plasma.The relation of chemical constitution to the effect on the uric acid excretion, the uricosuric action, of cinchophen was first studied by Niccolaier and Dohrn (1908). — 1933 noun1 •Any medicine of this kind. formsuricosurics