sort by Rank | Alpha
| Possible Meanings | Rank |
| Australasian Centre for Policing Research | *** |
| Asian Consortium for Political Research | *** |
| Association Culturelle Paul Renotte | *** |
| American Council on Public Relations | *** |
| Advisory Committee of Permanent Representatives | *** |
| automated cell pattern recognition | ** |
| Association of Professional Regulatory | ** |
| Advanced Configuration and Power | ** |
| Advisory Committee of Permanent | ** |
| Australian Centre for Population Research | ** |
| Australian Centre for Policing Research | ** |
| Adequate Clinical and Parasitological Response | ** |
| Atlanta Center for Psychiatric Rehabilitation | ** |
| Associates for Community and Population Research | ** |
| Adjacent Channel Power Ration | ** |
| Australasian Centre for Police Research | * |
| Adjacent Channel Power Ratios | * |
| American College of Podiatric Radiologists | * |
| Annular Core Pulsing Reactor | * |
| Ascertainment Corrected Prevalence Rate | * |
| Annular Core Pulse Reactor | * |
| Assistant Collegiate Province Representative | * |
| Association for Clinical Psychosocial Research | * |
| Annual energy Conservation Performance Report | * |