| Acronym | Meaning |
| CATSI | Compact Atmospheric Sounding Interferometer |
| GHCN | Global Historical Climatology Network |
| TSH | (classical) Trajectory Surface Hopping (for Ion-mol. Collisions) |
| CHICO | Compact Heavy-ion Counter |
| NIRF | Near-infrared Fluorescence |
| LEP | Light Emitting Polymer |
| EPEBS | Enhanced Proton Elastic Backscattering |
| CASP | Computer-assisted Synthesis Planning |
| DFPT | Density-functional Perturbation Theory |
| HSL | Hazardous Substance List |