| Acronym | Definition |
|---|
| TMRR➣Technology Maturation and Risk Reduction (US DoD) |
| TMRR➣Towarzystwo Milosników Rzeki Regi (Polish: Society of Friends of the Rega River) |
| TMRR➣Tumor to Muscle Retention Ratio |
| TMRR➣Temporary Minimum Risk Route |
| TMRR➣Twitch Maximum Relaxation Rate (thoracic medicine) |