| Acronym | Meaning |
| CK | Creatine Kinase |
| ECD | Electron Capture Detector (gas Chromatography) |
| AEPS | Auger Electron Appearance Potential Spectroscopy |
| DLD | Decoupled L-dominant Method (in Inelastic-scattering Calcns. |
| DMCP | Double Microchannel Plate |
| CCGT | Combined Cycle Gas Turbine |
| RFD | Reference Dose |
| GEMI | Global Environmental Management Initiative |
| QKM | Quadratic Kohn Method (variational Method For Scattering) |
| PNO | Pseudonatural Orbital |