| Acronym | Definition |
|---|
| TIRM➣Total Internal Reflection Microscopy |
| TIRM➣Tierrechtsinitiative Rhein-Main (German Animal Rights Organization) |
| TIRM➣Turbo Inversion Recovery Magnitude |
| TIRM➣Turing Institute Research Memorandum (UK) |
| TIRM➣Telecommunications & Information Resource Management |
| TIRM➣Telehealth Integrated Research Model (various nations) |