| Acronym | Meaning |
| PIPECO | Photoion-photoelectron Coincidence Spectroscopy |
| ICM | Institute For Crisis Management |
| ERT | Environmental Response Team |
| CP-LSDA | Car-Parrinello Local Spin Density Functional |
| GEMAP | Geocoded Emission Modeling And Projection |
| MCOPM | Multiconfiguration Optimized Potential Model |
| GIF | Graphic Image Format |
| GUE | Gaussian Unitary Ensemble (of Random Matrixes In Quantum-transport Studies) |
| GCLDA | Gradient-corrected Local Density Approximation |
| QSTLS | Quantum Singwi-tosi-land-sjolander (theory |