| Acronym | Meaning |
| LDQ | Linnett Double Quartet (equivalent To Nonpairing Spatial Orbital Theory) |
| TEDOR | Transferred Echo Double Resonance |
| IGF | Insulin-like Growth Factor |
| EORCU | European Ozone Research Coordinating Unit |
| ECSTM | Electrochemical Scanning Tunneling Microscopy |
| DAF | Distributed Approximating Functional (in Study Of Quantal Wave-packet Propagation) |
| EDF | Electricite De France |
| MEIS | Medium Energy Ion Scattering |
| GEMS | Graphical Exposure Modeling System |
| TPSSIMS | Temperature Programmed Static Secondary Ion Mass Spectrometry |