Definition of "polyethylene"

polyethylene

noun
countable and uncountable, plural polyethylenes
1. (organic chemistry) A polymer consisting of many ethylene monomers bonded together; used for kitchenware, containers etc.
  Quotations
  The most abundant chemical in the plastics is polyethylene, which is used for single-use packaging, plastic bags and containers such as bottles.
  2023 June 5, Yvonne Gordon, “Microplastics found in every sample of water taken during Ocean Race”, in The Guardian‎