| Acronym | Meaning |
| PMT | Pasteurella Multocida Toxin |
| RXTE | Rossi X-ray Timing Explorer |
| NICI | Negative Ion Chemical Ionization (mass Spectrometry) |
| PIXET | Proton Induced X-ray Emission Tomography |
| LCA | Life Cycle Assessment |
| RAAS | Renin-angiotensin-aldosterone System |
| PTNO | Perturbation Theory Natural Orbital |
| WQMSGL | Water Quality Modeling System For The Great Lakes |
| MOSS | Multilayer Optical Scanning Spectrometer |
| GOOMEX | The Gulf Of Mexico Offshore Operations Monitoring Expt. |