| Acronym | Definition |
|---|
| MTTB➣Minimal Trauma Tissue Biopsy (pharmacology) |
| MTTB➣Milli Turk Talebe Birligi (Turkish political group) |
| MTTB➣Mean Time to Bildschirmreinigung (German: Mean Time to Screen Cleaning) |
| MTTB➣Multi-Tissue Tumor Block (cancer research) |
| MTTB➣Mean Time to Beer |