| Acronym | Meaning |
| PFC | Polarized Frozen Core Approximation |
| LNG | Liquefied Natural Gas |
| OAR | Office Of Air And Radiation (USEPA) |
| EAE | Experimental Allergic Encephalomyelitis |
| HRCT | High-Resolution Computed Tomography |
| AWM | Average Wave Function Method (in Calcns. On Scattering) |
| AEM | Auger Electron Microscopy |
| AACVD | Aerosol-assisted Chemical Vapor Deposition |
| LREE | Light Rare Earth Element(s) |
| 2DEG | Two-dimensional Electron Gas |