| Acronym | Meaning |
| ESD | Emission Standards Division |
| DMICS | Design Methods For Integrated Control Systems [propulsion] |
| GNACHO | Gravitationally Neg. Anomalous Compact Halo Object |
| GOCE | Gaussian Overlap Potential With Const. Well Depth |
| CPE | Coulomb Wave-plane Wave (description With) Effective Screening |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| NOD | Nitrogenous Oxygen Demand |
| EPM | Empirical Pseudopotential Method |
| CPV | Cowpox Virus |
| EG | Ethylene Glycol |