| Acronym | Meaning |
| GO | Gaussian Overlap (approxn. In Mol. Calcns.) |
| DOJ | U.S. Department Of Justice |
| RCM | Rotated-coordinate Method |
| GDO | Generalized Diatomic Orbital |
| POSCO | Pohang Steel Company |
| NRT | National Response Team |
| ESFF | Extensible Systematic Force Field |
| TDTF | Time-dependent Thomas-Fermi |
| HNN | Hybrid Neural Network |
| SFC | Supercritical Fluid Chromatography |