/ Dictionary / Index E ethylene glycol: Meaning and Definition of Find definitions for: eth'ylene gly'col Pronunciation: [key] — Chem. Chem. glycol (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ethylene dichloride ethylene group Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language