| Acronym | Meaning |
| RO | Solar Radius |
| LFC | Large Format Camera |
| AFS | Auxiliary Feedwater System |
| ACE | Accelerated Computing Environment |
| OWRR | Office Of Water Resources Research |
| FOCAL | Programme Francais Ocean Et Climat Dans D'Atlantique Equatorial |
| AMWG | Atmosphere Model Working Group |
| ESML | Earth Science Markup Language |
| ETC | Estimate Time To Complete |
| CAALS | Consortium On Automated Standards |