| Acronym | Meaning |
| LDGUGA | Loop-driven Graphical Unitary-group Approach (in MC-SCF Calcns.) |
| VOD | Vacuum-oxygen Decarburization |
| EMOA | Extended Maximum Overlap Approximation |
| LSRA | Least-squares Regression Analysis |
| FPEIS | Final Programmatic Environmental Impact Statement |
| EGW | Electrogas Welding |
| DRP | Dense Random Packing |
| DIMP | Diisopropyl Methylphosphonate |
| EPS | Extrapyramidal Side Effect |
| PCI | Positive-ion Chemical Ionization (mass Spectrometry) |