| Acronym | Meaning |
| LNB | N/A |
| BE | Best Estimate |
| UARS | Upper Atmosphere Research Satellite |
| ACC | Accumulator |
| ROC | Regional Observational Cooperative |
| IAU | International Astronomical Union |
| GEWEX | Global Energy And Water Cycle Experiment |
| EICC | Emergency Information Control Center |
| ASP | Advanced Study Program |
| MOBILHY | Modelisation Du Bilan Hydrique |