| Acronym | Meaning |
| CCM | Cyclic Cluster Model (in CNDO For Deep Levels In Solids) |
| DEM | Digital Elevation Model |
| OCS | Outer Continental Shelf |
| MCRRPA | Multiconfiguration Relativistic Random Phase Approxn. |
| RVC | Reticulated Vitreous Carbon (electrode) |
| SOPPA | Second-order Polarization Propagator Approxn. |
| NBS | Nucleotide-binding Site |
| QLAR | Quantitative Localization Activity Relationship |
| IC-ACPF | Internally Contracted (multireference) Averaged Coupled Pair Functional |
| CPW | Coplanar Waveguide |