MTWM
| Acronym | Definition |
|---|---|
| MTWM | Magnetic Tape Write Tape Mark |
| MTWM | Mean Temperature of the Warmest Month |
| MTWM | Ministry of Transport and Water Management (Hungary) |
| MTWM | Multiplexed Two-Wave Mixing (fiber optics) |
| MTWM | Maximum Temperature of the Warmest Month |