U字母開頭的單詞或詞組(第10頁)：
- uvitonic acid
- undiscriminating
- underproduction
- undisturbed response voltage
- ulotripsis
- universal processor
- unrighteous
- ulcus exedens
- ultrasonics
- unshod
- unitunnel diode
- uncombed
- unmarked
- unavailable time
- unfulfilled
- under safe-conduct
- urethrospasm
- Unverricht's familial myoclonus
- under escort
- united States Army Forces
- ubiquity of the king
- underfeed stoker
- undisturbed output signal
- unimpaired prestige
- unreliable
- universal knowledge base
- uncrystallized
- Usda
- uncorroborated confession
- underwear
- unadjusted credits
- unwary
- unremarked
- unrecorded revenue
- unguiculus
- unifying
- User Datagram Protocol
- USASI basic FORTRAN
- unhang
- utility model patent