- oliguria - abnormally small production of urine; can be a symptom of kidney disease or obstruction of the urinary tract or edema or an imbalance of fluids and electrolytes in the body
--1 is a kind of symptom
- oliguria - production of an abnormally small amount of urine
--2 is a kind of micturition, urination
- oliguria - production of an abnormally small amount of urine