U字母開頭的單詞或詞組(第17頁)：
- uropoietic
- Unna's plasma cell
- understandability
- ultrafilter
- unilocular joints
- unsymmetrical
- underpopulated
- urge
- underwriting commission
- uranium poisoning
- understructure
- ultimateness
- uniform conversion model
- unsympathetic
- unusually
- universalis neurasthenia
- unexposed
- undraw
- unpremeditated
- under one's own steam
- uranium phosphide
- universal adenitis
- unharness
- unbelief
- uabain
- ultima ratio
- uterine cavity
- unimplemented
- unit step current
- United States district court
- unciforme
- uadergtown
- unified foreign exchange rate
- unsharp image
- ungraceful
- uncrown
- utricular reflexes
- uniform delivered price
- utilize
- uvular ptosis