/ Dictionary / Index K ketosis: Meaning and Definition of Find definitions for: ke•to•sis Pronunciation: (ki-tō'sis), [key] — n. Pathol. the accumulation of excessive ketones in the body, as in diabetic acidosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ketosis (Thesaurus) ketose ketosteroid Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language