| ketonuria | (n) excessive amounts of ketone bodies in the urine as in diabetes mellitus or starvation, Syn. ketoaciduria, acetonuria |
| maple syrup urine disease | (n) an inherited disorder of metabolism in which the urine has a odor characteristic of maple syrup; if untreated it can lead to mental retardation and death in early childhood, Syn. branched chain ketoaciduria |