| Acronym | Meaning |
| BEJ | Best Engineering Judgement |
| LTAVD | Low Temperature Arc Vapor Deposition |
| MFC | Multiconfigurational Frozen Core (approxn. For Electron-atom Scattering Calcns.) |
| TBC | Thermal Barrier Coating |
| FEP | Hexafluoropropylene-tetrafluoroethylene Copolymer |
| AMAD | Activity Median Aerodynamic Diameter |
| ORGDL | Oak Ridge Gaseous Diffusion Lab. |
| AC | Alternating Current |
| TPO | Thermoplastic Polyolefin |
| NISTO | Non-integer Slater-type Orbital |