| Acronym | Meaning |
| CN | Condensation Nucleus |
| STAS | Scientific And Technical Attribute And Element Set |
| MMA | Manual Metal Arc Welding |
| MRL | Minimum Reporting Level |
| SBZ | Surface Brillouin Zone |
| IAE | Immunoaffinity Extraction |
| ASCOT | Atmospheric Studies In Complex Terrain |
| REP | Radiological Emergency Planning |
| HOMER | Hazardous Organic Mass Emission Rate |
| EFVAO | Electric-field Variant Atomic Orbital |