| Acronym | Meaning |
| BIOS | Biological Data System (file Within STORET) |
| GPCP | Global Precipitation Chemistry Program |
| BBS | Bulletin Board System |
| BO | Brueckner Orbital |
| EAP | Environmental Action Plan |
| CSF | Configuration Spin Function (a Wave Function) |
| EIA | Environmental Impact Assessment |
| SPELL | Spectral Eulerian Lagrangian Model |
| PIA | Peaking Impulse Approxn. (for Electron-exchange Collisions) |
| DORIS | Doppler Orbit And Radio Positioning Integration By Satellite |