polytetrafluoroethylene definition, polytetrafluoroethylene meaning | English dictionary

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      n   a white thermoplastic material with a waxy texture, made by polymerizing tetrafluoroethylene. It is nonflammable, resists chemical action and radiation, and has a high electrical resistance and an extremely low coefficient of friction. It is used for making gaskets, hoses, insulators, bearings, and for coating metal surfaces in chemical plants and in nonstick cooking vessels,   (Abbrev.)    PTFE     (Also called (trademark))    Teflon  
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