| Acronym | Meaning |
| CEPA | Correlated Electron Pair Approxn. |
| CORMA | COmplete Relaxation Matrix Analysis |
| WDS | Wavelength-dispersive Spectrometry |
| EPC | European Patent Convention |
| B1B | (coulomb) Boundary-corrected First Born (for Scattering) |
| PTX | Pertussis Toxin |
| ACHRE | Advisory Committee On Human Radiation Experiments |
| SLM | Spatial Light Modulator |
| VCSEL | Vertical Cavity Surface Emitting Laser |
| EMEG | Environmental Media Evaluation Guides |