| Acronym | Meaning |
| FCI | Full Configuration Interaction |
| RZWQM | Root Zone Water Quality Model |
| ITO | Indium Tin Oxide (gas Sensor |
| REMPI | Resonance-Enhanced Multiphoton Ionization (for Mass Spectrometry) |
| SNP | Sodium Nitroprusside |
| BRCA2 | Breast Cancer Gene 2 |
| PMC | Percent Modern Carbon |
| ERP | Effective Refractory Period |
| NCPM | Noncritical Phase-matching |
| CIPSO | Configuration Interaction (with) Perturbation (including) Spin-orbit Coupling |