| Acronym | Meaning |
| CCSC | Charge And Configuration Self-consistency |
| RTH | Resistance To Thyroid Hormone |
| ZRPA | Zero-radius Potential Approximation |
| REMPI | Resonance-Enhanced Multiphoton Ionization (for Mass Spectrometry) |
| STM | Space-translation Method (in Atomic Collision Calcn.) |
| FOE | First-order Exchange (in Electron-atom Scattering Calcn.) |
| RAG | Risk Assessment Guideline |
| EBD | Equilibrium Brownian Dynamics |
| IGF | Irreducible Green Function |
| SQM | Scaled Quantum Mechanics (in Ab Initio Calcns.) |