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tetrafluoroethene

noun
  1. chem a dense colourless gas that is polymerized to make polytetrafluorethene (PTFE). Formula: F 2 C:CF 2Also called: tetrafluoroethylene
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Word Origin

C20: from tetra- + fluoro- + ethene
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