| Acronym | Meaning |
| FEBD | Fluid Extraction Biological Degradation Process For Organic Wastes |
| SGA | Symmetric Group Approach |
| DF-SCF | Dirac-Fock Self-consistent Field |
| APL | Alternative Pollutant Limits |
| RPE | Retinal Pigment Epithelium |
| CATS | Corrective Action Tracking System |
| AGP | Alpha-1-acid Glycoprotein |
| GDR | German Democratic Republic |
| PCILO | Perturbative Configuration Interaction Using Localized Orbitals |
| SIMBA | Selective Inverse Multiple Bond Analysis |