| Abbreviation | Definition |
|---|---|
| MW | Modulated Wave |
| MW | Molecular Weight |
| MWBC | Mean Wafers Between Cleans |
| MWC | Medium Wave Circle |
| MWC | MIRC Winamp Controller |
| MWDL | Microsoft Wndow Operating Library |
| MWE | MicroWave Exhibition |
| MWEC | Mountrail Williams Electric Cooperative |
| MWH | Million Watt Hours |
| MWJ | MicroWave Journal |
| MWLM | Magnetogram White Light Modulation |
| MWO | Multiple Wave Oscillator |
| MWS | Modular Wiring System |
| MWT | Marconi Wireless Telegraph (Marconi-Osram Valve) |
| MWT | Millimeter Wave Technology |
| MWT | Monitor Wafer Turner |
| MWV | Maximum Working Voltage |
| MWW | MicroWave World |
| MX | Multiplexer |
| MXI | Manual X-Ray inspection |