| Acronym | Meaning |
| SARA | Smad Anchor For Receptor Activation |
| PISAM | Photon-induced Scanning Auger Microscope |
| LSDX | Local-spin-density (with Exact) Exchange |
| ACT | Activated Complex Theory |
| LNB | Low Nitrogen Oxide Burner |
| ASTER | Assessment Tools For The Evaluation Of Risk |
| PMT | Photomultiplier Tube |
| EDNAP | European DNA Profiling |
| EBW | Electron Beam Welding |
| SIOS | Semiclassical Infinite-order Sudden (in Rotationally-inelastic Scattering Calcns.) |