| Acronym | Meaning |
| CAS-SI | Complete Active Space-state Interaction |
| FACSS | Federation Of Analytical Chemistry And Spectroscopy Societies |
| PBFFF | Potential Barrier Field-flow Fractionation |
| SADPT | Symmetry-adapted Double Perturbation Theory |
| ESA | Electrostatic Self-assemblypar |
| QSO | Quasistellar Objects |
| MCLR | Multiconfigurational Linear Response (an MC-SCF Method) |
| CIESIN | Consortium Of International Earth Sciences Information Network |
| HWRA | Hazardous Waste Reduction Act |
| NMPIMC | Normal Mode Path Integral Monte Carlo |