| Acronym | Meaning |
 | MIDI | Musical Instrument Digital Interface |
| UCI | Union Cycliste Internationale (French |
| TRACON | Terminal Radar Approach Control |
| NOSA | NATO OSI Security Architecture |
| BZP | Benzylpiperazine |
| CSRF | Cross-Site Request Forgery |
| NOR | Norwegian Language (ISO 639-2 Code) |
| ATWA | Air |
| ECS | Emergency Contact System - Enhanced Chip Set (computing) - EOSDIS Core System - Extended Chip Set (computing) |
| QSO | Quasi-Stellar Object |
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