(ke″to-as″ĭ-du´re-ә) the presence of ketone bodies in the urine; this condition is common in uncontrolled diabetes mellitus but can also occur anytime the body begins to break down fatty tissue to provide energy, as in starvation. Called also ketonuria. branched-chain ketoaciduria&n... Found on http://www.encyclo.co.uk/local/21001