| Abbreviation | Definition |
|---|---|
| MTM | Machinetype Model |
| MTP | Multiple Time Programmable |
| MTR | Multi-Track Recorder |
| MTRR | Memory-Type Range Register |
| MTS | Modular Time System |
| MTS | Multi-Touch Switch |
| MTTR | Mean Time To Repair |
| MU | Multi-User |
| MUF | Micro-Unit Frame |
| MUGU | Multi-User Game Unit |
| MUSIC | MUltiple SIgnal Classification |
| MUT | Monitor Under Test |
| MUTT | Multi-User Trivial Terminal |
| MVC | Multi-View Controller |
| MVP | MPEG Video Peripheral |
| MVQ | Motion Vector Quantization |
| MW | mega watts |
| MWDT | Medium Wide Data Tape |
| MX | Multiplexer |
| N | N connector |