エチレンエチレンFreq.FrequencyTop 100,000Meanings1nounethyleneThe simplest alkene, a colorless flammable gas used in the chemical industry and as a plant hormone.エチレンはポリエチレンの原げん料りょうです。Ethylene is a raw material for polyethylene.果物くだものから出でるエチレンが熟じゅく成せいを早はやめる。Ethylene released from fruit accelerates ripening.
