Englishethylene glycolnounMeaningAn organic compound, HO-CH2-CH2-OH, and the chemical structure at right. It is a clear, colorless liquid under normal conditions, and is widely used as a vehicle engine coolant due to its anti-freeze properties.Related wordsglycol(English)ethanediol(English)diethylene glycol(English)hydroxyethyl(English)octaethyleneglycol(English)glycolaldehyde(English)propyleneglycol(English)propylene glycol(English)SourcesDictionaryAPI.dev English dictionary data