| Acronym | Definition |
|---|
| MTDE➣Modern Technology Demonstrator Engine (program; US Army) |
| MTDE➣Multimedia Title Development Environment |
| MTDE➣Material Tecnico de Espeleologia (Spanish: Technical Material of Speleology) |
| MTDE➣MORE (Member Organized Resource Exchange) Time Dollar Exchange (St. Louis, MO) |
| MTDE➣Major Turboshaft Demonstration Engine |