| Acronym | Meaning |
| ENSDF | Evaluated Nuclear Structure Data File |
| CAICISS | Coaxial Impact Collision Ion Scattering Spectroscopy |
| NIBSC | National Institute For Biological Standards And Control |
| OLO | On-line Optimization |
| ROSAT | Roentgen Satellite |
| SLBO | Strictly Localized Bond Orbital |
| KAERI | Korea Atomic Energy Research Institute |
| MR-L-CEPM | Multireference-linearized-coupled Electron Pair Method |
| SETM | Statistical Electron Transfer Model (for Electron-exchange Collisions) |
| VIM | Video-intensified Microscopy |