| Acronym | Meaning |
| ETEX | European Tracer Experiment |
| CCWP | Close-coupling Wave-packet (for Mol. Scattering) |
| AGS | Alternating Gradient Synchroton |
| APEGM | Alkaline Polyethylene Glycolate Monomethyl Ether |
| STOIC | Stratospheric Ozone Intercomparison Campaign |
| AOP | Advanced Oxidation Processes (hydroxyl Generation) |
| TPR | Temperature-programmed Reduction |
| GISP | Greenland Ice Sheet Precipitation |
| UHIPI | Ultrahigh Intensity Post-ionization |
| TIME | Transferred Ionized Molten Energy Process (for Metal Arc Welding) |