noun🔗SharePropeno, propileno(official IUPAC name) The organic chemical compound propylene. An alkene which is a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C3H6."The chemical plant produces large quantities of propene, which is then used to make plastics. "La planta química produce grandes cantidades de propeno, que luego se utiliza para fabricar plásticos.compoundsubstancechemistrymaterialfueltechnicalscienceChat with AIVocabulary GamePractice Reading