sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Americans for Representative Democracy | * |
| Agency for Forestry Research and Development | * |
| Automated Flotation Reagent Dosing | * |
| Accelerator Fusion Research Division | * |
| American Falls Reservoir District | * |
| Air Force Research Division | * |
| Acceleration and Fusion Research Division | * |