Teflon

Teflon

[tef-lon]
1.
Trademark. a fluorocarbon polymer with slippery, nonsticking properties; polytetrafluoroethylene.
adjective
2.
characterized by imperviousness to blame or criticism: a Teflon politician.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
Teflon (ˈtɛflɒn)
 
n
1.  trademark polytetrafluoroethylene, when used in nonstick cooking vessels
 
adj
2.  facetious denoting the ability to evade blame: the Teflon president

Collins English Dictionary - Complete & Unabridged 10th Edition
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Dictionary.com's 21st Century Lexicon
Main Entry:  Teflon
Part of Speech:  adj
Definition:  untouched by scandal despite evidence of being involved
Example:  Reagan was called the 'Teflon president' by Jimmy Carter.
Usage:  figurative
Dictionary.com's 21st Century Lexicon
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Etymonline
Word Origin & History

Teflon
1945, proprietary name registered in U.S. by du Pont, from chemical name (poly)te(tra)fl(uoroethylene) + arbitrary ending -on; popularized as a coating of non-stick pans in 1960s; metaphoric extension, especially in reference to U.S. President Ronald Reagan, is attested from an Aug. 2, 1983, speech on
the floor of Congress by Pat Schroeder.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Abbreviations & Acronyms
Teflon
polytetrafluoroethylene
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

teflon

a strong, tough, waxy, nonflammable resin belonging to the family of organic polymers, substances composed of large molecules formed by chemical combination of many small ones (monomers) into chains or networks. Known by the abbreviation PTFE or the trade name Teflon, it is distinguished by its complete indifference to attack by almost all chemicals and by its slippery surface; it retains its physical properties over a wide temperature range (-270 to 250 C, or -450 to 480 F). These qualities suit polytetrafluoroethylene to uses in gaskets, bearings, linings for containers and pipes, and parts for valves and pumps that must operate in corrosive environments and for protective coatings on cooking utensils, saw blades, and other articles

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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