| Abbreviation | Definition |
|---|---|
| MASTER | Math Applied Science Technology Engineering and Research |
| MASTER | Mathematics Applied Science Technology Engineering and Research |
| MAT | Multifocal Atrial Tachycardia |
| MATER | Maternal Addiction Treatment Education Research |
| MATR | Mobile Apparatus for Temporality Research |
| MATRIC | Mid Atlantic Technology Research and Innovation Center |
| MATRIC | Midwest Agribusiness Trade Research and Information Center |
| MAVMET | MAraViroc, METformin |
| MBA | Marine Biological Association |
| MBAR | Market Based Accounting Research |
| MBR | Master of Business Research |
| MBR | Mayurbhanj Biological Research |
| MBR | Migratory Bird Research |
| MBRB | Medical Biomolecular Research Bldg |
| MBRC | Molecular Biology Research Communications |
| MBRC | Montana Biofilm Research Consortium |
| MBRF | McKnight Brain Research Foundation |
| MBRI | Monetary and Banking Research Institute |
| MBRL | Musculoskeletal Biomechanics Research Laboratory |
| MBRM | Master of Business in Research Methods |