noun🔗SharePropylen, PropenThe organic chemical compound propene. An alkene which is a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C3H6."Many plastics, like those used in food containers, are made from propylene. "Viele Kunststoffe, wie sie in Lebensmittelbehältern verwendet werden, werden aus Propylen hergestellt.compoundsubstancematerialchemistryfuelChat with AIVocabulary GamePractice Reading