sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Agrarian Research and Training Institute | **** |
| Awarded at the International | **** |
| Appropriate Rural Technology Institute | *** |
| Advanced Research and Technology Institute | *** |
| And Refrigeration Technology Institute | *** |
| Acute Respiratory Tract Infections | *** |
| Aceh Research Training Institute | *** |
| Advanced Resource Technologies Inc | *** |
| acute respiratory tract illness | ** |
| acute respiratory-tract infection | ** |
| adenovirus respiratory tract infection | ** |
| Adolescent Risk-Taking Instrument | ** |
| Annual Risk of TB Infection | ** |
| annual risk of tuberculosis infection | ** |
| annual risk of tuberculous infection | ** |
| Academic Research and Technology Initiatives | ** |
| A Radio Telescope for Ireland | ** |
| Air Conditioning Refrigeration Technology Institute | ** |
| Arsenic Removal Technologies Inc | ** |
| Alberta Reduced Tillage Initiative | ** |
| Advanced Rotorcraft Technology Integration | ** |
| Advanced Range Technology Initiative | ** |
| Adventure Racing Training Intervals | ** |
| And Refrigeration Technical Institute | ** |
| Action Research Training Institute | * |
| And Rescue Team International | * |
| ACES Research the Tucson Interconnect | * |
| Advanced Rotorcraft Transmission Integration | * |