| Acronym | Meaning |
| VMR | Vol. Mixing Ratio |
| CASE | Coordinated Air Sea Experiment |
| EXOSAT | European X-ray Observatory Satellite |
| LMREE | Light-medium Rare Earth Element(s) |
| AESA | Atmospheric Effects Of Stratospheric Aircraft |
| TPAD | Temperature-phased Anaerobic Digestion |
| ELPAT | Environmental Lead Proficiency Analytical Testing |
| CFE | Cold-feed Extrusion |
| RMS | Root Mean Square |
| LEEIXS | Low Energy Electron Induced X-ray Spectrometry |