Chem. [f. TRI- 5 + FLUOR(O-) A formative analogous to TRICHLOR(O-, expressing the substitution of 3 atoms of fluorine for hydrogen, as in trifluoromethane or fluoroform, CHF3, from methane, CH4; so trifluorethylene, CF2: CHF, from ethylene, CH2:CH2.
1899. Jrnl. Chem. Soc., LXXVI. I. 197. Trifluorotoluene (C6H5.CF3) is not decomposed at high temperatures, and not attacked by water, alkalis.
