| Abbreviation | Definition |
|---|---|
| MCC | Mesoscale Compressible Community |
| MCI | Maximum Circumference Increase |
| MCM | Metal Cold Mirror |
| MCM | Mobil Composition of Matter |
| MCU | microcontroller unit |
| MD | Magnetic Dipole |
| MD | Most Dominant |
| MD | Motion Dynamics |
| MDAP | Momentum Density of Annihilation Pairs |
| MDI | Mesh Direction Insensitive |
| MDL | Maximum Discharge Level |
| MDL | Method Detection Levels |
| MDMT | Minimum Design Metal Temperature |
| MDNF | Momentum Dominated Near Field |
| MDO | Modified Density Overlay |
| MDR | Mass Distribution Ratio |
| MDR | Maximum Detectable Rigidity |
| MDRE | Minimum Dynamic Residual Expansion |
| MDS | Measurement Data Set |
| ME | Mandela Effect |