| Acronym | Meaning |
| CASSCF-CCI | Complete Active Space Self-consistent Field-contracted CI |
| TASO | Terminal Atom Symmetry Orbital |
| AWQC | Ambient Water Quality Criteria |
| CAST | Cyclic Activated Sludge Technol. |
| AJCC | American Joint Committee On Cancer |
| TNFR | Tumor Necrosis Factor Receptor |
| OEIC | Optoelectronic Integrated Circuit |
| MHA | Mott-Hubbard-Anderson (model In Band-structure Calcns.) |
| ERIS | Electrochemically Regenerated Ion Suppressors |
| TIRM | Total Internal Reflection Microscopy |