Entry 1 sense Webster, 1913 Albuminuria /(ăl*bū`mĭ*nū"rĭ*ȧ)/ · Al·bu·mi·nu·ri·a · IPA 01 n. A morbid condition in which albumin is present in the urine. 1. A morbid condition in which albumin is present in the urine.(Med.)