| Acronym | Meaning |
| FIMDA | Fluorescence Intensity Multiple Distributions Analysis |
| AUBF | Anaerobic Upflow Biofilter |
| IRE | Internal Reflection Element |
| CFHT | Canada-France-Hawaii Telescope |
| ESDB | Endangered Species Database/Reach Scanlink |
| ACBS | Aqueous-ceramic Binding Suspension |
| MRS | Magnetic Resonance Spectroscopy |
| EMEA | European Medicines Evaluation Agency |
| PSSR | Perturbed Stationary State With Relativistic Effects |
| RE | Relativistic Eikonal |