polyolefins

/ˌpɑliˈoʊləfɪnz/
noun
  1. A group of synthetic polymers made from simple olefins (alkenes), such as polyethylene and polypropylene, used widely in plastics and packaging.
    • Recycling polyolefins helps reduce plastic waste in the environment.
    • The factory produces polyolefins for the automotive and construction industries.
    • Polyolefins are commonly used to make plastic bags and bottles.