Definition of propylene in English:

propylene

noun

Chemistry
  • [mass noun] A gaseous hydrocarbon of the alkene series, made by cracking alkanes.

    • ‘New metallocene catalysts are used in the preparation of new plastics, including new methods for the polymerization of alkenes such as ethylene and propylene.’
    • ‘Specimens were dehydrated in a graded series of ethyl alcohol and propylene oxide solutions and embedded in araldite.’
    • ‘Isopropyl alcohol is made from propylene, a petroleum derivative.’
    • ‘He used a catalyst discovered by Karl Ziegler to produce polypropylene from propylene.’
    • ‘Another major epoxide, propylene oxide, comes from propene reacting with organic hydroperoxides (more reactive equivalents of hydrogen peroxides).’

Pronunciation:

propylene

/ˈprəʊpɪliːn/