| Acronym | Meaning |
| SNPS | Space Nuclear Power System |
| GREAT-ER | Geog.-referenced Regional Exposure Assessment Tools For European Rivers |
| SLMO | Symmetry-adapted Localized Molecular Orbital |
| ZPP | Zn Protoporphyrin (lead Poisoning Indicator) |
| PERL | Passivated Emitter And Rear Locally Diffused (solar Cells) |
| DISEP | Difference Integrated Spatial Electron Populations |
| AOC | Administrative Order Of Consent |
| IMP | Inosine 5'-phosphate |
| PROACT | Proactive Respirometric Operational And Control Technology |
| ALICE | Acid-labile Isotope-coded Extractants |