| Abbreviation | Definition |
|---|---|
| TZT | Thermaleze-T |
| UABG | Universal Abrasive Belt Grinder |
| UAI | Use As Is |
| UAUO | Unauthentic Unoriginal |
| UB | Universal Bellows |
| UB | Universal Bulkhead |
| UB1 | Under-Balcony loudspeaker, Model 1 |
| UB1 | Universal Backup generator, Model 1 |
| UB2 | Under-Balcony loudspeaker, Model 2 |
| UB2 | Universal Backup generator, Model 2 |
| UBB | Universal Boxy Brackets |
| UBD | UnderBalanced Drilling |
| UBG | Universal Belt Grinder |
| UBG | Universal Bevel Gear |
| UBGC | Universal Bevel Gear Chuck |
| UBJ | Unin Ball Joint |
| UBK | U- Bolt Kit |
| UBP | United Basalt Products |
| UBSC | Urban Style Clothing |
| uC | microcontroller |