| Acronym | Meaning |
| DCAA | Defense Contract Audit Agency |
| GRGC | Geologic Record Of Global Change |
| RPS | Routine Product Set |
| NCMC | Non-Classical Mesoscale Circulations |
| TOPEX | Topographic Ocean Experiment |
| GA | Billion Years Unit |
| UMIST | University Of Manchester Institute Of Science And Technology |
| DCM | Deep Convection Model |
| IAAC | International Antarctic Analysis Center |
| PSA | Public Service Announcement (radio/TV Term) |