| Acronym | Meaning |
| PMN | Polymorphonuclear Leukocyte |
| ICOS | Inducible Co-stimulator |
| BLMO | Boys Localized Molecular Orbital |
| RME | Reduced Matrix Equations |
| STM | Symptom Tree Model |
| OPGF | One-particle Green Function |
| VOA | Volatile Organic Aromatic Compounds |
| CS | Coupled-states (or Centrifugal Sudden) Approximation |
| WMT | Warped Muffin-tin Approximation |
| IHO | International Hydrographic Association |