| Acronym | Meaning |
| SAS | Small Astronomy Satellite |
| RITS | Radiatively Important Trace Substances |
| APARE | Asian/Pacific Regional Experiment |
| NTIS | National Technical Information Service |
| BE | Best Estimate |
| EMU | Electromagnetic Units |
| DA | Deka |
| AGU | American Geophysical Union |
| ILEC | International Lake Environment Committee |
| CAL | Computer-aided Learning |