| Acronym | Meaning |
| SCM | Scanning Capacitance Microscopy |
| IBS | Ion Backscattering Spectroscopy |
| HAN | Heavy Aromatic Naphtha |
| CEA | Carcinoembryonic Antigen |
| CBEA | Constrained Binary Encounter Approximation |
| JI | Joint Implementation [with Regard To Greenhouse Gas Emission Redn.] |
| OSRSCF | Open-shell Restricted SCF |
| GCM | Generator-coordinate Method |
| SORCE | Solar Radiation And Climate Experiment |
| AFR | Air To Fuel Ratio |