/ Dictionary / Index D diglycol: Meaning and Definition of Find definitions for: di•gly•col Pronunciation: (dī-glī'kôl, -kol), [key] — n. Chem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diglyceride diglycolic acid Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language