pol·y·tet·ra·fluor·o·eth·yl·ene (pŏl'ē-tĕt'rə-flʊr'ō-ĕth'ə-lēn', -flôr'-, -flōr'-)
n.
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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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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