| Acronym | Meaning |
| OCCSD | Open-shell Coupled-cluster (with) Single (and) Double (excitations) |
| GUE | Gaussian Unitary Ensemble (of Random Matrixes In Quantum-transport Studies) |
| IDSA | Infectious Diseases Society Of America |
| APD | Action Potential Duration |
| DESY | Deutsches Elektronen-Synchrotron |
| BPH | Benign Prostatic Hyperplasia |
| FEGO | Floating Ellipsoidal Gaussian Orbital |
| MPDS | Moment-polarized Dirac-Slater |
| UCAS-SCF | Unrestricted Complete Active Space Self-consistent Field |
| MS | Molecular Spinor |