| Acronym | Meaning |
| AHH | Aryl Hydrocarbon Hydroxylase |
| FMS | Frequency Modulation Spectroscopy |
| CIP | Configuration Interaction With Partner Orbitals |
| WSHS | Watershed Hydrologic System |
| GACT | Granular Activated Carbon Treatment |
| FASI | Field-amplified Sample Injection |
| LPAS | Laser Photoacoustic Spectroscopy |
| SXM | Scanning X-ray Microscope |
| ENA | Energetic Neutral Atoms (astronomical Plasmas) |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |