sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Advanced Concepts Technologies and Information Strategies | ** |
| Amorphous Carbon Treatment on Internal Surface | ** |
| A Computerized Tribology Information System | ** |
| AIDS Clinical Trial Information Services | ** |
| AIDS Clinical Trails Information Service | * |
| Advanced Computed Tomography Inspection System | * |
| Advanced Compact Thermal Imaging System | * |