| Acronym | Meaning |
| LOC | Lines Of Code |
| DE | Dynamics Explorer |
| AFNE | American For Nuclear Energy |
| AED | Air Enforcement Division |
| PMS | Performance Measurement System |
| FIRE-ACE | First ISCCP International Satellite Cloud Climatology Program |
| BAG | Boulder Aeronomy Group |
| ICES | International Council For The Exploration Of The Sea |
| ICH | Inter-Union Commission On The Lithosphere |
| MPDATA | Multidimensional Positive Definite Advection Algorithm |