| Acronym | Meaning |
| NRRA | Nuclear Resonant Reaction Analysis |
| SCCF | Self-consistent Crystal Field (method For Calcns. On Molecular Crystals) |
| CRISTA | Cryogenic Infrared Spectrometers And Telescopes For The Atmosphere |
| EMAS | Electron Microprobe Auger Spectroscopy |
| INR | International Normalized Ratio |
| RSE | Relativistic Symmetric Eikonal |
| EBIT | Electron Beam Ion Trap |
| HAPEX | Hydrological And Atmospheric Pilot Experiment |
| TED | Thermal Electron Detectors |
| TOCSY | Total Correlation Spectroscopy |