| Acronym | Meaning |
| NLM | National Library Of Medicine |
| SRA | Sudden Rotation Approximation |
| SDCPA | Site-dependent Coherent Potential Approxn. |
| STARS | Strategic Targeting Activities Reporting System |
| LDOS | Local Density Of States |
| DFPT | Density-functional Perturbation Theory |
| CXC | Chandra X-ray Center |
| VCDW | Vector Charge-density Wave |
| VPSSQM | Variable-phase Supersymmetric Quantum Mechanics |
| CHA | Concentric Hemispherical Analyzer |