noun: Initialism of tetrafluoroethylene. [(organic chemistry) The gaseous unsaturated halogenated hydrocarbon, F₂C=CF₂, that is used as a monomer in the production of polytetrafluoroethylene]
noun: Initialism of trifluoroethanol. [(organic chemistry) Any of several isomers of an alcohol formally derived from ethanol by replacing three hydrogen atoms by those of fluorine, but especially 2,2,2-trifluoroethanol]
