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Meanings1nounalkene; 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: アルケンエチレン系けい炭たん化か水すい素そは、
