| Acronym | Meaning |
| SAMA | Scientific Apparatus Makers Association |
| SOMO | Singly Occupied Molecular Orbital |
| FV-MC-SCF | Full Valence Multiconfiguration Self-consistent Field |
| TXRF | Total Reflection X-ray Fluorescence |
| ADCI | American Die Casting Institute |
| APD | Avalanche Photodiode |
| SCOT | Shell Claus Off-gas Treating |
| MAGIC | Major Atmospheric Gamma Imaging Cherenkov |
| TAFI | Thrombin Activatable Fibrinolysis Inhibitor |
| CDSI | Committee On The Dissemination Of Scientific Information |