| Acronym | Meaning |
| MRL | Minimal Risk Levels |
| MIGS | Metal-induced Gap State |
| CDA | Copper Development Association |
| PMP4 | (spin) Projected Moeller-Plesset Fourth-order (perturbation Theory) |
| HERA | Hadron Electron Ring Accelerator |
| ICBO | International Conference Of Building Officials |
| CNDO/B | Complete Neglect Of Differential Overlap / Boyd |
| DGNAA | Delayed Gamma-ray Neutron Activation Analysis |
| RAM | Random Access Memory |
| SPFM | Scanning Polarization Force Microscopy |