| Acronym | Meaning |
| VRIOSA | Vibrational/rotational Infinite-order Sudden Approximation |
| ARXAS | Angle-resolved X-ray Absorption |
| SDR | Spin-dependent Resonance |
| SRD | Standard Reference Data |
| DCA | Discriminant Component Anal. |
| CSD | Chemical Solution Deposition |
| NMC | New Muon Collaboration |
| STODI | Slater-type Orbital-point Dipole Interaction (in Mol. Polarizability Calcns.) |
| SW X(ALPHA) | Scattered Wave X(alpha) |
| WSDA | Weighted Spin-density Approxn. |