| Acronym | Meaning |
| GSA | Generalized Sudden Approximation |
| GOMR | Global Ozone Monitoring Radiometer |
| NVSS | NRAO VLA Sky Survey |
| NEET | Nuclear Excitation In Electronic Transition |
| CDP | Contracted Density Product (in Simplification Of MO Calcns.) |
| HEPA | High-efficiency Particulate Air Filter |
| WAXS | Wide-angle X-ray Scattering |
| CPMV | Cowpea Mosaic Virus |
| GID | Grazing Incidence Diffraction |
| MLCT | Metal-to-ligand Charge-transfer |