| Acronym | Meaning |
| ESRF | European Synchrotron Radiation Facility |
| BOTDR | Brillouin Optical Time Domain Reflectometry |
| BEBO | Bond Energy Bond Order Method |
| ROVP | Reactance Operator Variational Principle |
| DAB | Diaminobenzidine (usually 3,3') |
| UF | Ultrafiltration (water Treatment) |
| EHMO | Extended Hueckel Molecular Orbital |
| SDSL | Site-directed Spin Labeling |
| SDO | Shielded Diatomic Orbital |
| VDI | Verein Deutscher Ingenieure (German Engineers Society) |