| Acronym | Meaning |
| ORFEUS | Orbiting Retrievable Far And Extreme Ultraviolet Spectrometers |
| BAL | Bronchoalveolar Lavage |
| RSC | Relative Source Contribution |
| WLAN | Wireless Local Area Network |
| EVOH | Ethylene Vinyl Alcohol |
| EEC | European Economic Community |
| CAPMON | Canadian Air And Precipitation Monitoring Network |
| AC | Alternating Current |
| MOSFET | Metal Oxide Semiconductor Field Effect Transistor |
| NIPALS | Nonlinear Iterative Partial Least Squares |