| Acronym | Meaning |
| USDA | United States Department Of Agriculture |
| XHV | Extremely High Vacuum |
| MSBR | Molten Salt Breeder Reactor |
| FDM | Finite-difference Method |
| POGO | Polar Orbiting Geophysical Observatory |
| RHFS | Relativistic Hartree-Fock-Slater |
| ACTI | Advanced Computational Technology Initiative |
| LSD-GX-SIC | LSD-GX-with Generalized Exchange-self-interaction Corrected |
| NFAIS | National Federation Of Abstracting And Information Services |
| GFMT | Green Function Muffin Tin (method In Electronic Structure Study) |