| Acronym | Meaning |
| PESOS | Perkin-Elmer Solvent Optimization System |
| IIAES | Ion Induced Auger Electron Spectroscopy |
| MRCI | Multireference Configuration Interaction |
| SABRE | Sweden And Britain Radar Experiment |
| CDW-EIS | Continuum Distorted Wave-eikonal Initial State (in Collisions) |
| FFZE | Free-flow Zone Electrophoresis |
| AVO | Average Virtual Orbital |
| PEANUT | Phase-inverted Echo-amplitude Detected Nutation |
| ESD | Element-Specific Detector |
| ESM | Exponential-series Method |