| Acronym | Meaning |
| SCANIIR | Surface Composition Analysis By Neutral And Ion Impact Radiation |
| SWICS | Solar Wind Ion Composition Spectrometer |
| PCI-X | Parametrized Configuration Interaction (with Parameter) X |
| SHR | Selective Hybrid Reduction |
| FILDA | Fluorescence Intensity And Lifetime Distribution Analysis |
| ESR | Electroslag Refining |
| WEEL | Workplace Environmental Exposure Limits |
| CSWP | Centrifugal Sudden [or Coupled States] Wave Packet Method |
| MLOPEX | Mauna Loa Observatory Photochemistry Experiment |
| PANAK | Peroxyacetyl Nitrate Aldehyde Ketones |