| Acronym | Meaning |
| MICS | Magnetospheric Ion Compn. Spectrometer |
| XRCF | X-ray Calibration Facility |
| RMT | Random Matrix Theory |
| OVFF | Orbital Valence Force Field |
| CISS | Constant-initial-state Spectroscopy |
| PACS | Physics And Astronomy Classification Scheme |
| PAI | Pesticide Active Ingredient |
| DGE | Differential Gene Expression |
| COCP | Cut-off Coulomb Potential |
| PHE | Potentially Harmful Element |