chop - coil
- chop
- chopper
- chopper amplifier
- chopper bar
- chopper circuit
- chopper disk
- chopper-bar recording
- chopper-stabilized amplifier
- chopping
- chopping frequency
- chromatic aberration
- chromatic dispersion
- chromaticity
- chromaticity diagram
- chrominance
- chrominance signal
- chronological
- CI
- CICS
- CID
- CIM
- cipher
- cipher equipment
- ciphering
- ciphony
- circuit
- circuit board
- circuit card
- circuit commutated turn-off time
- circuit continuity tester
- circuit diagram
- circuit element
- circuit module
- circuit noise level
- circuit switching
- circuit-breaker
- circuit-switched connection
- circuitry
- circular
- circular electric wave
