| Acronym | Meaning |
| BLR | Broad Line Region |
| HFRW | High Frequency Resistance Welding |
| MGA | Modified Glauber Approxn. (in Atom-particle Scattering) |
| SCLC | Space Charge Limited Current |
| RECP-CVC | Relativistic Effective-core Potential With Core-valence Correlation |
| CMS | Carbogenic Molecular Sieves |
| DMO | Delocalized Molecular Orbital |
| CERES | Coalition For Economically Responsible Economies |
| NLC | Next Linear Collider |
| BRITE | Basic Research In Industrial Technologies For Europe |