/ Dictionary / Index G glucose tolerance test: Meaning and Definition of Find definitions for: glu'cose tol"erance test" Pronunciation: [key] — Med. Med. a diagnostic procedure in which a measured amount of glucose is ingested and blood samples are taken periodically as a means of detecting diabetes mellitus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glucose glucoside Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language