/ Dictionary / Index P prediabetes: Meaning and Definition of Find definitions for: pre•di•a•be•tes Pronunciation: (prē-dī"u-bē'tis, -tēz, prē"dī-), [key] — n. Pathol. a condition in which carbohydrate metabolism is mildly abnormal but other criteria indicating diabetes mellitus are absent. a condition in which the development of diabetes mellitus is expected. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. predeterminer predial Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language