reed - resi
- reed
- reed frequency
- reed relay
- reed switch
- reel
- reel diameter
- reel disc
- reel lock
- reel spindle
- reel-disc base
- reel-to-reel cassette
- reel-to-reel recorder
- reference
- reference amplifier
- reference architecture
- reference bar
- reference black level
- reference block
- reference book
- reference carrier
- reference carrier commutation
- reference designator
- reference dimension
- reference diode
- reference electrode
- reference framework
- reference gauge
- reference hole
- reference integrity
- reference level
- reference line
- reference model
- reference oscillator
- reference phase
- reference plane
- reference point
- reference sample
- reference sheet
- reference signal
- reference standard capacitor
