| Acronym | Meaning |
| UARP | Upper Atmospheric Research Program |
| CESAR | Chemically Enhanced Solubilization For Aquifer Remediation |
| CLC | Clean Lakes Clearinghouse |
| ETGAO | Even-tempered Gaussian Atomic Orbital |
| WHAM | Windermere Humic Aq. Acid Model |
| OPPE | Office Of Policy |
| ACI | Alloy Casting Institute |
| FCC | Fluidized Catalytic Cracking |
| TIP | Temperature-independent Paramagnetism |
| SOGVB | Spin Optimized Generalized Valence Bond Method |