polytetrafluoroethylene

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

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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