| Acronym | Meaning |
| MESIP | Modeling Environmental Scenarios In Ponds |
| PFE | Pressurized Fluid Extraction |
| MKP | MAP Kinase Phosphatase |
| PHS | Public Health Service |
| NES | US National Eutrophication Study |
| RNS | Reactive Nitrogen Species |
| ECCS | Electro-coated Chromium Steel |
| CVT | Canonical Variational Transition-state (theory) |
| PVOH | Polyvinyl Alcohol |
| RVB | Resonating Valence Bond (theory Of High-tc Superconductors) |