user - vide
- user
- user access
- user call
- user channel
- user cluster
- user computer
- user console
- user directory
- user equipment
- user es
- user identification code
- user interface
- user language
- user line
- user list
- user number
- user of information
- user set
- user station
- user telephone number
- user terminal
- user traffic
- user-access network
- usual language
- utilize the invention in industry
- vacuum
- vacuum capacitor
- vacuum chamber
- vacuum discharge
- vacuum permeability
- vacuum photocell
- vacuum phototube
- vacuum technology
- vacuum tube
- vacuum-tube oscillator
- vacuum-tube radio transmitter
- vacuum-tube transmitter
- valence band of semiconductor
- valence electron
- validation category
