| Acronym | Meaning |
| IAP | Intracisternal A-particle |
| HAC | Hydrogen-assisted Cracking |
| STAS | Scientific And Technical Attribute And Element Set |
| MET | Multichannel Eikonal Theory (in Atom Electron-impact Excitation) |
| MAO | Methyl Aluminoxanes |
| HPCA | Hierarchical Principal Component Analysis |
| BRS | Bibliographic Retrieval System |
| LALA | Large Area Lyman Alpha |
| FEN | Free Electron Network |
| FFP | Femtosecond Flash Photolysis |