| Acronym | Meaning |
| HERAC | Health And Environmental Research Advisory Committee |
| NLP | Natural Language Processing |
| LDS | Linear Dichroism Spectrometry |
| ERBE | Earth Radiation Budget Experiment |
| USRA | Universities Space Research Association |
| MEMTB | Many-electron Mol. Tight-binding (for Electronic Structures) |
| NRMRL | National Risk Management Research Laboratory |
| NOSC | Naval Ocean Systems Center |
| MCNP | General Monte Carlo Code For Neutron And Photon Transport |
| UNIDO | United Nations Industrial Development Organization |