| Acronym | Meaning |
| BALR | Broad Absorption Line Region |
| EIS | Electrochem. Impedance Spectroscopy |
| CBO | Coulomb Born Oppenheimer |
| OHAO | Orthogonalized Hybrid Atomic Orbital |
| EXELFS | Extended Energy-loss Fine Structure |
| CCFL | Cold Cathode Fluorescent Lamp |
| QPMDA | Quasiparticle Mean Density Approxn. (assocd. With Local-d. Theory) |
| LSDXC | Local-spin-density-exchange-correlation (for Mol. Property) |
| CCAP | Climate Change Action Plan |
| ISC-PEM-MO | Iterative Self-consistent Partition Of Energy Method And MO Formalism |