| Acronym | Meaning |
| DEM | Digitized Elevation Models |
| AMO | Advanced Munitions Office |
| EISPACK | Eigensystem Package Subroutine Computing Facility |
| GCM | General Circulation Model |
| RHS | Right-hand Side |
| ATC | Adiabatic Toroidal Compressor |
| ABAQUS | Finite-element Computer Code |
| IWRA | International Water Resources Association |
| SSL | Space Sciences Laboratory |
| FET | Field-effect Transistor |