| Acronym | Meaning |
| PDFT | Perturbation Density-functional Theory |
| HCPT | Hard-core Perturbation Theory |
| SMBC | Simulated Moving Bed Chromatography |
| HMPT | Hexamethylphosphoric Triamide |
| RAST | Radioallergosorbent Test (immunoassay) |
| WFI | Water For Injection (pharmaceutical Term) |
| SME | Solar Mesosphere Explorer |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) |
| MP2-R12 | MP2 Theory With Terms Linear In Interelectronic Distance (r12) |
| DBMS | Data Base Management System |