U字母開頭的單詞或詞組(第15頁)：
- uncompensated heat
- uterine tubes
- User Manager for Domain
- unsecured creditor
- ultrahigh frequency loop
- utriculitis
- under the pretext of
- urorectal membranes
- unitary rate
- upvaluation
- unbolt
- ultrasonic emulsification
- ufologist
- unirecord block
- uromelus
- unanium content
- up
- urethral apoplexy
- unreasonable message
- unreliable process
- uranosteoplasty
- uniocular
- undo
- unfledged
- unenforced obedience
- unequalled
- urticarial fever
- unsaturated edge
- up front
- umbellatine
- uranoids
- unit
- U
- urethral injection
- universal classification system
- unbigoted
- universal gas chromatograph
- ulnar sign
- urea-ammonium phosphate
- unlabelled