| Acronym | Meaning |
| LORG | Localized Orbital-local Origin |
| TSR | Thermal Shock Resistance |
| APG | Antisymmetrized Product Of Geminals (wave Function) |
| IF DRM | Inversion-free Direct Recursion Method (for Surface Electronic Structure) |
| SAES | State Agricultural Experiment Stations |
| FACTS | Facilities And Company Tracking System |
| AA | Assistant Administrator |
| LEEBI | Low Energy Electron Beam Irradiation |
| LINEAR | Lincoln Near Earth Asteroid Research |
| QPMDA | Quasiparticle Mean Density Approxn. (assocd. With Local-d. Theory) |