| Acronym | Meaning |
| FSMRCCSD | Fock Space Multireference Coupled Cluster (with) Single (and) Double Excitations |
| NIDDM | Non-insulin-dependent Diabetes Mellitus |
| CASV-MC-SCF | Complete Active Space Valence Space-multiconfiguration-SCF |
| LGFSTF | Liquefied Gaseous Fuels Spill Test Facility (DOE Mercury |
| CENSA | Collaborative Electronic Notebook Systems Association |
| NSH | Normalized Spherical Harmonic (hamiltonian) |
| PPC | Polypropylene Carbonate |
| CHF | Congestive Heart Failure |
| BCR | B Cell Receptors |
| QDVPT | Quasidegenerate Variational Perturbation Theory |