| Acronym | Meaning |
| ARPES | Angle-resolved Photoelectron Spectroscopy |
| AIRS | Atmospheric Information Retrieval System |
| BCNTF | Biofilm-Controlled Nitrifying Trickling Filter (for Wastewater Treatment) |
| OSIRIS | Oxford Supersensitive Injector For Radioactive Isotope Separation |
| AOB | Ammonia Oxidizing Bacteria |
| PIET | Photoinduced Intramolecular Electron Transfer |
| EKLF | Erythroid Kruppel-like Factor |
| BALR | Broad Absorption Line Region |
| BELLE | Biological Effects Of Low Level Exposures |
| APR | Air-Purifying Respirator |