| Acronym | Meaning |
| BCCD | Brueckner Coupled Cluster With Double Excitations |
| SOMO | Singly Occupied Molecular Orbital |
| AMTIC | Ambient Monitoring Technology Information Center |
| RDA | Regularized Discriminant Analysis |
| TACI | Transmembrane Activator And CAML Interactor |
| APIG | Antisymmetrized Product (of) Identical Geminals |
| CPMC-SCF | Coupled Perturbed Multiconfigurational SCF |
| CLRTAP | Convention On Long-Range Transboundary Air Pollution |
| RFEC | Remote Field Eddy Current |
| EPT | Exponential Perturbation Theory |