a. (and sb.). [ad. late L. ūrētic-us, a. Gr. οὐρητικός, f. οὐρεῖν to urinate. Cf. obs. F. uretique (1581), ourétique.] † a. Uretic acid, phosphoric acid (1857 Mayne, Expos. Lex., 847/1). Obs. b. Diuretic (1849 Craig; hence in later Dicts.).
