sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Association for Thoracic Surgery | **** |
| Association of Thoracic Surgeons | *** |
| Agile Air Traffic System | *** |
| Association for the Surgery | *** |
| Association of Thoracic Surgery | *** |
| American Association of Thoracic Surgery | *** |
| American Association of Thoracic Surgeons | ** |
| Accommodation Allowance for Tertiary Students | ** |
| Anti Auto Theft Squad | ** |
| Association of Theological Schools | ** |
| Academy of Teachers of Singing | ** |
| American Association of Theological Schools | ** |
| American Association for Thoracic Surgeons | ** |
| Association for Thoracic Surgeons | ** |
| Automated Animal Tracking System | * |
| Association of Athletic Training Students | * |
| Animorphans Against the Strangers | * |
| ARNG Aviation Training Site | * |
| Average Annual Taxable Salary | * |
| Automated Architecture Tool Suite | * |
| Al And The Sharptones | * |
| Alternative Aircraft Take off System | * |
| Anti Aircraft Target System Simulator (Stinger) | * |
| Anti Aircraft Training System | * |
| Arbeitskreis Amateurfunk und Telekommunikation in der Schule | * |