| Acronym | Meaning |
| RNRA | Resonant Nuclear Reaction Analysis |
| EM | Electron Microscopy |
| AQUIRE | Aquatic Information Retrieval |
| PIXIE | Polar Ionospheric X-ray Imaging Experiment |
| CFP | Coefficient Of Fractional Parentage (method In Quantum Calcns.) |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| SDA | Subsurface Disposal Area |
| MVT | Mississippi Valley-type |
| VASP | Vienna Ab Initio Simulation Package |
| SIDAMS | Simultaneous Ion Detection In Atmospheric Mass Spectrometry |