| Acronym | Meaning |
| IOMC | Inter-Organization Program For The Sound Management Of Chemicals |
| GHG | Greenhouse Gases |
| EUMAC | European Modeling Of Atmospheric Constituents |
| PXRF | Polarized X-ray Fluorescence |
| CAMAC | Computer Automated Measurement And Control |
| SAA | Serum Amyloid A |
| CERES | Cloud And The Earth's Radiant Energy System |
| GEO | Geostationary Earth Orbit |
| PSSR | Perturbed Stationary State With Relativistic Effects |
| MMI | Man-machine Interface |