75478 Full Form. Full Meaning of 75478 Find long form and abbreviation, slang or definition of 75478. What does 75478 mean? What does 75478 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.