| Acronym | Meaning |
| CSDW | Centrifugal Sudden (or Coupled States) Distorted Wave (methodfor Reactive Mol. Collisions) |
| PSM | Process Safety Management |
| AGR | Advanced Gas-cooled Reactor |
| CCT | Clean Coal Technology |
| MF | Modifying Factor (in Oral RfD) |
| DFM | Dark Field Microscopy |
| RSM | Reduction Symmetry Method (in Crystal Field Theory) |
| CTOF | Charge Time-of-Flight Spectrometer |
| VTE | Vertival Tube Exchanger |
| DDF | Depth Distribution Function |