| Acronym | Meaning |
 | CX | Christmas Island (ISO 3166 Digram) - One Hundred And Ten (in Roman Numerals) |
| AKA | Above Knee Amputation (orthopaedic Usage) |
| AGASA | Akeno Giant Air Shower Array (cosmic Ray Detector) |
| EMC | Electric Membership Corporation - Electromagnetic Compatibility - Electro-Motive Corporation - European Muon Collaboration - Evergreen Marine Corporation |
| TSSIA | The Subject Says It All |
| G9 | Assistant Chief-of-Staff |
| MPC | Minor Planet Center - Minor Planet Circular |
| HEPA | High-Efficiency Particulate Air (filter) |
| CCRTS | Command And Control Research And Technology Symposium |
| LLB | Legum Baccalaureus (Latin: Bachelor Of Laws) |
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