| Acronym | Meaning |
| TT | Tatar Language (ISO 639-1 Code) |
| CISPR | Comit? International Sp?cial Des Perturbations Radio?lectriques (Special International Committee On Radio Interference) |
| IFO | Identified Flying Object (see Also UFO) |
| LEU | Low-Enriched Uranium |
| NAA | N-Acetylaspartate |
| PICNIC | Problem In Chair Not In Computer |
| UNMOVIC | United Nations Monitoring |
| CADCAM | Computer-Aided Design/Computer-Aided Manufacturing |
| PEK | PolyEtherKetone |
| OMR | Omani Rial (ISO 4217 Currency Code) |