WordNet (r) 3.0 (2006):

nephrosis
    n 1: a syndrome characterized by edema and large amounts of
         protein in the urine and usually increased blood
         cholesterol; usually associated with glomerulonephritis or
         with a complication of various systemic diseases [syn:
         nephrotic syndrome, nephrosis]
    2: a disease affecting the kidneys [syn: kidney disease,
       renal disorder, nephropathy, nephrosis]