| Acronym | Meaning |
| SNAP | System For Nuclear Auxiliary Power |
| REPA | Resource And Environmental Profile Analysis |
| PSM | Process Safety Management |
| GTA | Gas Tungsten Arc Welding |
| AVDP | Analytic Velocity-dependent Potential (for Electron Scattering) |
| NAEG | Nevada Applied Ecology Group (of US Department Of Energy) |
| WISE | Wide-field Infrared Survey Explorer |
| FTNMR | Fourier-transform Nuclear Magnetic Resonance |
| SSME | Space Shuttle Main Engine |
| NSO | Natural Spin Orbitals |