| Acronym | Meaning |
| LLRW | Low Level Radioactive Waste |
| PCGVB | Pairwise Correlated Generalized Valence Bond Method |
| CHF | Coupled Hartree-Fock |
| COD | Continuous Optical Discharge |
| ESCORT | Error Self-compensation Reached By Tau-scrambling |
| RHFO | Relativistic Hartree-Fock One-channel (for Scattering) |
| HFRW | High Frequency Resistance Welding |
| PUCHF | Perturbed Uncoupled Hartree-Fock |
| CPI | Chemical Patents Index |
| CHEST | Combined Higher Education Software Team |