Teflon

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Teflon,

trade name for a solid, chemically inert polymerpolymer
, chemical compound with high molecular weight consisting of a number of structural units linked together by covalent bonds (see chemical bond). The simple molecules that may become structural units are themselves called monomers; two monomers combine to form a dimer,
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 of tetrafluoroethylene (C2F4), F2C=CF2. Stable up to temperatures around 572°F; (300°C;), Teflon is used in electrical insulation, gaskets, and in making low-adhesion surfaces, e.g., for nonstick cookware.
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Teflon

a trademark for polytetrafluoroethylene when used in nonstick cooking vessels
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005