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