| Abbreviation | Definition |
|---|---|
| MMN | Mismatch Negativity |
| MMOL | MicroMOLe |
| MMOP | Multi-focal Multi-channel Objective Perimetry |
| MMP | Matrix MetalloProteinase |
| MMP | Mid Michigan Physicians |
| MMPI | Minnesota Multiphasic Personality Inventory |
| MMPP | Marine Mammal Physiology Project |
| MMPP | Molecular Medicine Pharmacology and Physiology |
| MMR | Maximum Metabolic Rate |
| MMR | Measles, Mumps, and Rubella |
| MMT | Manual Muscle Testing |
| MMT | Medial Meniscus Tear |
| MMT | Military Medical Technology |
| MMTI | Murphy Meisgier Type Indicator |
| MMTO | Military Medical Technology Online |
| MMTT | Methenamine Sulfosalicylate |
| MMWR | Morbidity and Mortality Weekly Report |
| MMY | Mental Measurements Yearbook |
| MN | Mono-Nuclear lymphocytes |
| MN | Motor Neuron |