| Acronym | Meaning |
| IIXS | Ion Induced X-ray Spectroscopy |
| IDEA | Integrated Data For Enforcement Analysis |
| BIXE | Bombardment-induced X-ray Emission |
| OPPIS | Optically Pumped Polarized Ion Source |
| SRPS | Synchrotron Radiation Photoelectron Spectroscopy |
| GOMS | Gulf Of Mexico Seawater |
| RMRCI | Relativistic MR-CI |
| SMBC | Soil Microbial Biomass Carbon |
| GWP | Gaussian Wave Packet |
| AIS | Airborne Imaging Spectrometer |