| Acronym | Meaning |
| ARIAP | Acid Rain Impact Assessment Program |
| IPCC | Intergovernmental Panel On Climate Change |
| PRIME | Purdue Rare Isotope Measurement Laboratory |
| PES | Photoelectron Spectroscopy |
| EDW | Exchange Distorted-wave |
| GA | Genetic Algorithm |
| BHMA | British Hard Metal Association |
| DFS | Daily Flow System (file Within STORET) |
| HFJ | Hartree-Fock-Jucys (in Electron-correlation Corrections Calcn.) |
| TCC | Thermofor Catalytic Cracking |