/ Dictionary / Index D diglycolic acid: Meaning and Definition of Find definitions for: di'gly•col'ic ac'id Pronunciation: (dī'glī-kol'ik, dī"-), [key] — Chem. Chem. a white, crystalline, water-soluble solid, CHO, used chiefly in the manufacture of resins and plasticizers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diglycol dignified Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language