/ Dictionary / Index K ketonuria: Meaning and Definition of Find definitions for: ke•to•nu•ri•a Pronunciation: (kē"tō-noor'ē-u, -nyoor'-), [key] — n. Med. the presence of ketone bodies in the urine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ketonuria (Thesaurus) ketonemia ketose Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language