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