sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Safety on Site Training | *** |
| Spanish Office for Science and Technology | *** |
| Symposium on Software Technology | *** |
| Secrets of Sonic Team | ** |
| Sex Offender Screening Tool | ** |
| Special Operations Special Technology | ** |
| Student Opinion Survey of Teaching | ** |
| Satellite Orbiter Science Team | ** |
| Science Operations Support Team | ** |
| SCIAMACHY Operations Support Team | ** |
| Spain Office of Science and Technology | ** |
| Stations Outside the State | * |
| Status Out of Service Testing | * |
| Simulation Of Star Trek | * |
| Slugs and Other Slimy Things | * |