| Acronym | Meaning |
| ACNFS | Advisory Committee On Nuclear Facility Safety |
| OIT | Oxidative Induction Time |
| ASA | At. Sphere Approxn. |
| IAEG | International Association Of Engineering Geology |
| FONDA | First-order Nondegenerate Adiabatic (theory For Electron-mol. Inelastic Scattering) |
| EK | Extended Koopmans (method In Ionization Potential Calcns.) |
| PSI | Pollution Standard Index |
| RCT | Reference Control Technology |
| FBF | Forearm Blood Flow |
| VETESS | Vehicle Transient Emissions Simulation Software |