| Acronym | Meaning |
 | TAAR | Trace Amine-Associated Receptor |
| DDA | Digital Differential Analyzer - Deputy District Attorney |
| USNG | United States National Grid |
| TSEC | Transmission Security Encryption Code |
| NACA | (U.S.) National Advisory Committee For Aeronautics (1915?1958 |
| TMM | Turkmen Manat (ISO 4217 Currency Code) |
| BEN | Benin (ISO 3166 Trigram) |
| YJ | Yottajoule |
| UIUC | University Of Illinois At Urbana-Champaign |
| JWARS | Joint Warfare System (simulation) |
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