| Acronym | Meaning |
| CCR | Conradson Carbon Residue |
| PEMS | Predictive Emission Monitoring System |
| DAS | Dynamic Angle Spinning |
| WILT | Waste Interface Leaching Test |
| DRP | Deutsches Reichpatent |
| PSHF | Pseudospectral Hartree-Fock |
| HEDG | High Efficiency Deep Grinding |
| EOD | Engineering Operations Division |
| PBX | Plastic Bonded Explosive |
| WFI | Water For Injection (pharmaceutical Term) |