| Acronym | Meaning |
| AQDHS | Air Quality Data Handling System |
| MSC | Multiplicative Scatter Correction |
| ORP | Oxidation-reduction Potential |
| SETB | Semiempirical Tight Binding |
| MCNP | General Monte Carlo Code For Neutron And Photon Transport |
| BARC | Bottom Antireflective Coating |
| SCT | Salmon Calcitonin |
| CNDO/B | Complete Neglect Of Differential Overlap / Boyd |
| SCN | Suprachiasmatic Nucleus |
| ASDW | Axial Spin Density Wave |