| Acronym | Meaning |
| LTE | Local Thermodynamic Equilibrium |
| EU | European Union |
| URIP | University Research Initiative Program |
| ICFD | Institute For Computational Fluid Dynamics |
| ESID | EOSDIS Systems Interface Document |
| PDL | Program Design Language |
| USRA | Universities Space Research Association |
| CCRI | Climate Change Research Initiative |
| BXA | Bureau Of Export Administration |
| FWPCA | Federal Water Pollution Control Act |