unin - vect
- uninterrupted
- uninterrupted tone
- uninterruptible
- uninterruptible power supply
- unipolar
- unipolar-to-bipolar conversion
- unipole aerial
- unipole antenna
- uniprogramming
- unique
- unique abbreviated dialing
- uniqueness
- uniselector
- unit
- unit area acoustic reactance
- unit automatic exchange
- unit characteristic
- unit code
- unit control word
- unit element
- unit fee
- unit function response
- unit interval
- unit load
- unit pulse response
- unit record
- unit separator
- unit string
- unit test
- unity gain
- universal
- universal amplifier
- universal character set
- universal keyboard
- universal language
- universal night answer service
- universal product code
- universal repeater
- universal time chart
- universally compatible
