| 单词 | polythene |
| 释义 | polythene[ pol-uh-theen ] / ˈpɒl əˌθin / noun Chemistry, British.polyethylene. Origin of polytheneFirst recorded in 1935–40; by shortening Words nearby polythenepolytene chromosome, polytetrafluoroethylene, polytheism, polytheistic, polythelia, polythene, polythiazide, polytomography, polytomy, polytonal, polytonality Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for polythenepolythene / (ˈpɒlɪˌθiːn) / nounany 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 metalSystematic name: polyethene Also called: polyethylene Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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