| Acronym | Meaning |
| DDM | Decoupled Direct Method |
| HMC SCF | Hybrid Multiconfiguration Self-consistent Field |
| ORC | Origin Recognition Complex |
| ERS | Elastic Recoil Spectrometry |
| BEA | Binary Encounter Approximation |
| COMP | Cartilage Oligomeric Matrix Protein |
| PFR | Plug Flow Reactor |
| PAM | Photolabile Attachment Molecules |
| MR-CEPM | Multireference-coupled Electron Pair Method |
| CPF | Coupled-pair Functional (CI Method With Energy Functional) |