| Acronym | Meaning |
| XHV | Extremely High Vacuum |
| PPKTP | Periodically Poled KTiOPO4 |
| RHFT | Relativistic Hartree-Fock Two-channel (for Scattering) |
| SWICS | Solar Wind Ion Composition Spectrometer |
| SPACE | Spatial And Chemical Shift-encoded Excitation |
| CRBP | Cellular Retinol Binding Protein |
| IMS | Ion Mass Spectrometer |
| LMWH | Low-molecular-weight Heparin |
| HIERD | Heavy Ion Elastic Recoil Detection |
| NDDN | National Dry Deposition Network (US EPA) |