| Acronym | Meaning |
| FO-CPHF | First-order Coupled Perturbed Hartree-Fock Theory |
| SCO | Self-consistent Orbital |
| CRH | Corticotropin-releasing Hormone |
| RAGS | Risk Assessment Guidelines For Superfund Sites |
| ERS | Elastic Recoil Spectrometry |
| FOJT | First-order Jahn-Teller |
| CECE | Combined Electrolysis And Chemical Exchange |
| DIP | Dissolved Inorganic Phosphorus |
| PDR | Photon-dominated Region |
| CCGT | Closed Cycle Gas Turbine |