乙二醇 Traditional form: 乙二醇 Pinyin (reading): yǐ'èrchún Definitions: glycol ethylene glycol C2H4(OH)2 (antifreeze) Characters: 乙 - second; 2nd heavenly stem 二 - two; twice 醇 - rich, pure, as good as wine Traditional characters: 乙 - second; 2nd heavenly stem 二 - two; twice 醇 - rich, pure, as good as wine