polytetrafluoroethylene
(pŏlˌē-tĕtˌrə-flo͝orˌō-ĕthˈə-lēnˌ, -flôrˌ-, -flōrˌ-)
noun A thermoplastic resin, (C2F4)n, that is resistant to heat and chemicals, has an extremely low coefficient of friction, and is used as a coating on cookware, gaskets, seals, and hoses.
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