エタンジオールMeanings1nounethanediolChemical term for a diol with two carbon atoms; also known as ethylene glycol. Used in technical and industrial contexts.エタンジオールは不ふ凍とう液えきの主しゅ成せい分ぶんとして使つかわれる。Ethanediol is used as a main component of antifreeze.