Diuretic \Di`u*ret"ic\, a. [L. diureticus, Gr. ?, fr. ? to make water; ? through + ? to make water, fr. ? urine: cf. F. diur['e]tique.] (Med.) Tending to increase the secretion and discharge of urine. -- n. A medicine with diuretic properties. {Diuretic salt} (Med.), potassium acetate; -- so called because of its diuretic properties.