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polytetrafluoroethylene

noun poly·tet·ra·flu·or·o·eth·yl·ene \ ˌpäl-i-ˌte-trə-ˌflu̇(-ə)r-ō-ˈeth-ə-ˌlēn \
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medical Definition of polytetrafluoroethylene

: a polymer of tetrafluoroethylene (CF2−CF2)n that is a resin with good resistance to chemicals and heat and that is used to fabricate prostheses —abbreviation PTFE — see teflon

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