| Acronym | Meaning |
| 3DAP | Three Dimensional Atom Probe |
| APH | Adiabatically Adjusting |
| RAS | Reflectance Anisotropy Spectroscopy |
| TEF | Toxicity Equivalency Factor |
| NLO | Nonlinear Optical |
| HFEGE | Hara Free-electron-gas Exchange (potential) |
| GAMESS | General Atomic And Molecular Electronic Structure System |
| NEDT | Noise Equivalent Delta T |
| MCIC | Metals And Ceramics Information Center |
| MVEL | Motor Vehicle Emission Laboratory |