| Acronym | Meaning |
| PET | Potential Evapotranspiration |
| BTIS | Beam Tube Isolation System |
| ACTH | Adrenocorticotrophic Hormone (reg:9003-56-9) |
| NARE | North Atlantic Regional Experiment |
| DEGM | Degenerate Electron Gas Model |
| HRSG | Heat Recovery Steam Generator |
| SCANIIR | Surface Composition Analysis By Neutral And Ion Impact Radiation |
| SBAR | Sequencing Batch Anaerobic Reactor(s) |
| ECP | Electrochemical Potential |
| ASE | Activated Sludge Effluent |