| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024pol•y•thene (pol′ə thēn′),USA pronunciation n. [Chem. Brit.]- Chemistrypolyethylene.
Collins Concise English Dictionary © HarperCollins Publishers:: polythene /ˈpɒlɪˌθiːn/ n - any one of various light thermoplastic materials made from ethylene with properties depending on the molecular weight of the polymer. The common forms are a waxy flexible plastic (low-density polythene) and a tougher rigid more crystalline form (high-density polythene). Polythene is used for packaging, moulded articles, pipes and tubing, insulation, textiles, and coatings on metal
Systematic name: polyethene
Also called: polyethylene
pol•y•eth•yl•ene /ˌpɑliˈɛθəˌlin/USA pronunciation n. [uncountable]- Chemistrya plastic used chiefly for containers, electrical insulation, and packaging.
WordReference Random House Unabridged Dictionary of American English © 2024pol•y•eth•yl•ene (pol′ē eth′ə lēn′),USA pronunciation n. [Chem.]- Chemistrya plastic polymer of ethylene used chiefly for containers, electrical insulation, and packaging. Also called,[Brit.,] polythene.
|