This is the Valar Atomics defined abbreviaiton list.
| Word | Part of Speech | Approved meaning / linked definiton (abbreviation) |
|---|---|---|
| THTR | abbreviation | Thorium High-temperature Reactor |
| TRISO | abbreviation | Triple Coated Isotropic |
| TRU | abbreviation | transuranic |
| U.S. | abbreviation | United States |
| U.S.A. | abbreviation | United States of America |
| UCF | abbreviation | Unit Capability Factor |
| UCO | abbreviation | uranium oxycarbide |
| UK | abbreviation | United Kingdom |
| UPS | abbreviation | Uninterruptible Power Supply |
| URS | abbreviation | User Requirement Specification/Statement |
Total entries: 440