XEF6 Full Form. Full Meaning of XEF6 Find long form and abbreviation, slang or definition of XEF6. What does XEF6 mean? What does XEF6 stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.