| Acronym | Meaning |
| ARIES | Angle Resolved Ion Electron Spectroscopy |
| DIMPP | Differential Integrated Multiple Pulse Polarography |
| LECIVA | Low Energy Charge-induced Voltage Alteration |
| ICISS | Impact Collision Ion Scattering Spectroscopy |
| VAMO | Variational Alternant Molecular Orbital |
| AMD | Acid Mine Drainage |
| ECSC | European Coal And Steel Community |
| PTNO | Perturbation Theory Natural Orbital |
| TREF | Temperature Rising Elution Fractionation |
| ACPQ | Approx. Coupled-pair (theory Cor. For Connected) Quadruply (excited Clusters) |