| Acronym | Meaning |
| SRFA | Suwanee River Fulvic Acid |
| PIB | Potential Induced Breathing (model In Electronic-structure Studies In Superconductors) |
| PMC | Permanently Manned Capability (of Space Station) |
| AEPS | Auger Electron Appearance Potential Spectroscopy |
| ESMR | Electrically Scanning Microwave Radiometer |
| ALEPH | Apparatus For LEP PHysics |
| ABC | ATP-binding Cassette |
| UTI | Urinary Trypsin Inhibitor |
| POAV | Pi Orbital Axis Vector Analysis (electronic-structure Model) |
| HVT | Hypervirial Theory |