| Acronym | Meaning |
| SDIM | Scaled Diatomics-in-molecules |
| HKF | Helgeson-Kirkham-Flowers (equation Of State) |
| BLIP | Background-limited Infrared Photodetector |
| CPDAM | Cumulative Potential-derived Atomic Multipole (calcn. Method) |
| ASBF | Aerated Submerged Biological Filter |
| BVDV | Bovine Viral Diarrhea Virus |
| ASPG | Antisymmetrized Product Of Separated Geminals Approxn. |
| MSO | Molecular Spin Orbital |
| IEMP | Integrated Environmental Management Project |
| FC | Frozen Core (approxn. For Electron-atom Scattering Calcns.) |