| Acronym | Meaning |
| IRS | Indian Remote-sensing Satellite |
| STEP | Solar Terrestrial Energy Program |
| JILA | Joint Institute For Laboratory Astrophysics |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| WDC | World Data Center(s) |
| CAS | Center For Automotive Safety |
| PAWS | Psychological |
| LAMBADA | Amazon Basin Experiment |
| SCOSTEP | Scientific Committee On Solar-Terrestrial Physics |
| BUREC | Bureau Of Reclamation |