| Acronym | Meaning |
| HAADF | High-angle Annular Dark-field |
| GSI | Gesellschaft Fuer Schwerionenforschung |
| MWD | Molecular Weight Distribution |
| CSP | Computational Singular Perturbation (math Modeling Method) |
| RCI | Relativistic Configuration Interaction |
| MSA | Multivariate Statistical Analysis |
| SRCI | Single-reference Configuration Interaction |
| MTOF | Mass Time-Of-Flight |
| OHAO | Orthogonalized Hybrid Atomic Orbital |
| PDF | Planar Deformation Feature |