sort by Rank | Alpha
| Possible Meanings | Rank |
| multiple antibiotic resistance repressor | *** |
| Minimum Attractive Rate of Return | *** |
| Michigan Antibiotic Resistance Reduction | ** |
| mean annual recurrence rate | ** |
| Metro Atlanta Recovery Residences | ** |
| mixed antiglobulin rosetting reaction | ** |
| Multi Access Rural Radio | ** |
| Mining Affected Regions Reconstruction | ** |
| Multi Access Radio Relay | ** |
| Manitoba Association of Regional Recyclers | ** |
| Mansfield Ashfield Regeneration Route | ** |
| Manitoba Association for Resource Recovery | ** |
| Metropolitan Atlanta Recovery Residences | ** |
| Ministry of Aboriginal Relations and Reconciliations | * |
| Metro Atlanta Recovery Residencies | * |
| Mid Atlantic Racing Resources | * |