hyperuria noun2 •Increased frequency of urination and/or increased quantity of urine.The animals became less active and hyperuria developed (the amount of urine: 62 ml/day in C; 103.6 ml/day in LT). — 1985 •An increased concentration of metabolites in the urine.In some cases the diseases give rise to destruction of leucocytes, causing the production and excretion of much uric acid ; in these cases the hyperuria is the consequence of the primary disease. — 1897