| Acronym | Meaning |
| CR | Collocation Representation (of Basis Sets) |
| LUMO | Lowest Unoccupied Molecular Orbital |
| CPCA | Consensus Principal Component Analysis |
| MSMA | Murrell-Shaw-Musher-Amos Exchange Perturbation Theory |
| UHF-CO | Unrestricted Hartree-Fock Crystal Orbital |
| ZERI | Zero Emissions Research Initiative |
| EFV STO | Electric-field-variant Slater-type Orbital |
| SECM | Scanning Electrochemical Microscopy |
| IEV | Independent Event (model In Ion-atom Collisions) |
| LAESA | Laser Ablation Emission Spectrochemical Analysis |