| Acronym | Meaning |
| TZP | Tetragonal Zirconia Polycrystal |
| IAG | International Association Of Geodesy |
| CGI | Combustible Gas Indicator |
| LWR | Light-water Reactor |
| NTNCWS | Nontransient, Noncommunity Water Supplies |
| PTNO | Perturbation Theory Natural Orbital |
| DSDV | Dirac-Slater Discrete Variational |
| CEC | Cation Exchange Capacity |
| ASLEEP | Automated Scanning Low Energy Electron Probe |
| USDA | United States Department Of Agriculture |