| Acronym | Meaning |
| BPFT | Bohm-Pines-Fock-Tani (Hamiltonian In Calcns. On Plasmons) |
| VFD | Vacuum Fluorescent Display |
| CET | Collisional Energy Transfer |
| CBO | Corrected Born-Oppenheimer (in Calcns. For Mol. Complexes) |
| NCPTT | National Center For Preservation Technology And Training |
| HS-MR-CCSD | Hilbert Space-multireference-coupled Cluster (with) Single (and) Double (excitations) |
| KSA | Kirkwood Superposition Approximation |
| CDF | Chlorinated Dibenzofuran |
| PNDDO | Partial Neglect Of Diatomic Differential Overlap |
| NTI | Negative Thermal Ionization (for Mass Spectrometry) |