| Acronym | Meaning |
| RTT | Resonant Tunneling Transistor |
| IAST | Ideal Adsorbed Soln. Theory |
| RKRVL | Rydberg-Klein-Rees-Vanderslice-Lakshman (for Potential Energy) |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| BTEM | Band Target Entropy Minimization |
| FCI | Fuel Coolant Interaction |
| TPO | Temperature-programmed Oxidiation |
| CESE | Complex Eigenvalue Shroedinger Equation |
| TSA | Thermal Swing Adsorption |
| ESIE | Electron Stimulated Ion Emission |