| Abbreviation | Definition |
|---|---|
| MMDS | Minimal Markup Document System |
| MMDS | Multichannel Multipoint Distribution Service |
| MMED | Mansfield Municipal Electric Department |
| MMF | Magnetive Motive Force |
| MMF | Multi-Mode Fiber |
| MMI | Multi-Material Interface |
| MMIC | Monolithic Microwave Integrated Circuit |
| MMICs | Monolithic Microwave Integrated Circuits |
| MMMC | Machine Material Movement Component |
| MMO | Multi-Model Optimization |
| MMOS | Mixed Metal Oxide Semiconductor |
| MMP | Micro Micro Process |
| MMS | Monolithic Miniature Spectrometer |
| MMS | Multi-Micro Sensor |
| MMTL | Multifunctional Multistrip Transmission Line |
| MMTS | Maximum/Minimum Temperature Sensor |
| MMU | Memory Management Unit |
| MMWAA | Milli-Meter Wave Antenna Array |
| MMWAVE | MilliMeter Wave |
| MNB | Magnetogram Narrow Band |