| Acronym | Meaning |
| ROBK2 | Relativistic Second-order Oppenheimer-Brinkman-Kramers (in Ion-scattering Calcns.) |
| DDQRPA | Double Direct Quadratic Random Phase Approximation |
| SFC | Specific Fuel Consumption |
| AI | Agpaitic Index [represents The (Na2O + K2O)/Al2O3 Ratio] |
| DINP | Diisononyl Phthalate |
| CAPS | Computer-assisted Problem Solving |
| RARE | Rapid Acquisition Relaxation-enhanced |
| RFM | Relativistic Mean Field |
| GS | Gelius-Siegbahn (MO Approxn.) |
| PFEO | Perimeter Free Electron Orbital |