| Acronym | Meaning |
| I AND C | Instrumentation And Control |
| QLDA | Quasilocal Density Functional Approxn. |
| MTJ | Magnetic Tunnel Junction |
| SAMSON | Severe Accident Management System Online Network |
| GCO | General Coupling Operator (in Calcns. Of Vector Coupling For Atoms And Ions) |
| ACAMS | Automatic Continuous Air Monitoring System |
| FP-MC | Finite Perturbation-multiconfigurational Method |
| SIR | Selected Ion Recording |
| FCI | Full Configuration Interaction |
| MBRS | Molecular Beam Reactive Scattering |