retu - RTU
- return
- return address
- return attenuation
- return beam
- return channel
- return code
- return interactive path
- return line
- return loss
- return signal
- return spring
- return time
- return trace
- return wire
- returned signal
- reusability
- reuse
- Rev Mode button
- reverberating time
- reverberation
- reverberation chamber
- reverberation plate
- reverberator
- reversal
- reversal scaler
- reversal spectrum
- reverse
- reverse bias
- reverse channel
- reverse circuit
- reverse code dictionary
- reverse control channel
- reverse diode circuit
- reverse electromotive force
- reverse indicator bit
- reverse key
- reverse layer
- Reverse Mode button
- reverse play
- reverse recurrent voltage
