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polytetrafluoroethylene

[pol-ee-te-truh-floo r-oh-eth-uh-leen, -flawr-, -flohr-] /ˌpɒl iˌtɛ trəˌflʊər oʊˈɛθ əˌlin, -ˌflɔr-, -ˌfloʊr-/
noun, Chemistry
1.
any polymer, plastic, or resin having the formula (C 2 F 4) n , prepared from tetrafluoroethylene, noted for its slippery, nonsticking properties, and used in the manufacture of gaskets, electrical insulation, tubing, candy molds, container linings, frying-pan coatings, etc.
Origin
1945-1950
1945-50; poly- + tetrafluoroethylene
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for poly tetrafluoroethylene

polytetrafluoroethylene

/ˌpɒlɪˌtɛtrəˌflʊərəʊˈɛθɪˌliːn/
noun
1.
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 PTFE Also called (trademark) Teflon
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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poly tetrafluoroethylene in Science
polytetrafluoroethylene
  (pŏl'ē-tět'rə-flr'ō-ěth'ə-lēn', -flôr'-)   
A synthetic polymer consisting of a chain of fluorinated ethane units (C2F4). It is a thermoplastic resin that is resistant to heat and chemicals and has an extremely low coefficient of friction (resistance to objects sliding over its surface). It is used as a coating on cookware, gaskets, seals, and hoses.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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