| Acronym | Meaning |
| ESM | Earth Systems Model |
| CCSF | Colorado Computational Science Fair |
| AI&O | Annual Inspection And Overhaul |
| DARPA | Defense Advanced Research Projects Agency |
| ROC | Regional Observational Cooperative |
| ANS | American Nuclear Society |
| VOR | VHF Omnidirectional Range |
| PRECP | Program On Nonlinearity Of Acid Precipitation Process |
| AIM | Adaptive Injection Molding |
| UOM | Upper-ocean Model |