| Acronym | Meaning |
| PSB | Photosynthetic Bacteria |
| IMA | Ion Microanalysis |
| MRFM | Magnetic Resonance Force Microscope |
| TSD | Thermally Stimulated Discharge |
| MERT | Medical Emergency Response Team |
| ROM | Read Only Memory |
| IUBS | International Union Of Biological Sciences |
| PERTCI | Perturbational Configuration Interaction |
| TIA | Transient Ischemic Attack |
| LAWG | Laboratory Accreditation Working Group |