| UVB | Ultra Violet B |
|---|---|
| UA | absorption unsharpness; ultra-audible; ultrasonic arteriography; umbilical artery; unauthorized abse... |
| ULP | ultra low profile |
| ULPA | ultra low penetration air filter |
| BS | Bachelor of Science; Bachelor of Surgery; Bacillus subtilis; Bartter syndrome; base strap; bedside; ... |