AS40 Full Form. Full Meaning of AS40 Find long form and abbreviation, slang or definition of AS40. What does AS40 mean? What does AS40 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.