tetrafluoroethylene

noun
tet·​ra·​flu·​or·​o·​eth·​yl·​ene | \ ˌte-trə-ˌflu̇(-ə)r-ō-ˈeth-ə-ˌlēn How to pronounce tetrafluoroethylene (audio) \

Medical Definition of tetrafluoroethylene

: a flammable gaseous fluorocarbon CF2=CF2 used in making polytetrafluoroethylene resins