| Acronym | Meaning |
| CHIPS | Cosmic Hot Interstellar Plasma Spectrometer |
| DCI | Detection |
| OSL | Open Source License - Optically Stimulated Luminescence - Orbiting Solar Laboratory |
| WRAIR | Walter Reed Army Institute Of Research |
| DE | Delaware (postal Symbol) - Germany (ISO 3166 Digram) |
| MG | Magnesium - Megagram |
| WCBO | World Chess Boxing Organisation |
| GNU | GNU's Not Unix |
| UID | User ID |
| A2ATD OR A?ATD | Anti |