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English definition of “polythene”

polythene

noun [U]     /ˈpɒl.ɪ.θiːn/ US  /ˈpɑː.lɪ-/ (US also polyethylene)
a light , usually thin , soft plastic , often used for making bags or for keeping things dry or fresh : a polythene bag They covered the broken windows with sheets of polythene.Plastics and rubber
(Definition of polythene noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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