| Acronym | Meaning |
| NWR | National Wildlife Refuge |
| BKCM | Burkhardt-Konya-Coulson-March (for Electron Momentum Densities) |
| MCCHF | Multiconfiguration Coupled Hartree-Fock |
| GWF | Global Warming Factor |
| NCLAN | National Crop Loss Assessment Network |
| JAERI | Japanese Atomic Energy Research Institute |
| MRS | Micro-Raman Spectroscopy |
| HRFS | High-resolution Fluorescence Spectroscopy |
| TIMI | Thrombolysis In Myocardial Infarction |
| FLASH | Fast Low-angle Shot (NMR Imaging) |