TEOS
| Acronym | Definition |
|---|---|
| TEOS | Trusted E-Mail Open Standard |
| TEOS | Tetraethylorthosilicate |
| TEOS | Trusted Email Open Standard (email spam prevention solution) |
| TEOS | Planets: The Exploration of Space (online game) |
| TEOS | Terrestrial Ecology Observing Systems (University of California, Los Angeles) |
| TEOS | Traffic Engineering and Operations Section (Oregon Department of Transportation) |
| TEOS | Tetra Ethyl Oxysilane |