エチレン系けい炭たん化か水すい素そエチレンけいたんかすいそじ字FuriganaMeanings1nounalkene; olefin; ethylene hydrocarbonrare termRare technical term; in modern chemistry, アルケン is the standard word. This term may appear in older or specialized contexts.See also: アルケンエチレン
