| Acronym | Meaning |
| LART | Laser Absorption Radiation Thermometry |
| PEM | Parametric Equations Of Motion |
| SPALEED | Spot Profile Analysis Low Energy Electron Diffraction |
| EAA | Environmental Assessment Association |
| EOS | Equation Of State |
| HZ | Hertz (one Cycle Per Second) |
| ALMR | Advanced Liquid Metal Reactor |
| ITFW | Improved Thomas-Fermi-Weizaecker (model) |
| GEO | Geostationary Earth Orbit |
| AETM | Analytical Electron Transmission Microscopy |