cork - crys
- corkscrew rule
- corner
- corner antenna
- corner cube
- corner post
- corner reflector
- corona
- corona current
- corona discharge
- corona effect
- corona generated interference
- corona inception voltage
- corona losses
- corona proof cable
- corona shielding
- corona voltage
- corona voltmeter
- coroutine
- corpuscle
- correct operation
- correcting amplifier
- correcting coil
- correcting current
- correcting device
- correcting filter
- correcting lens
- correcting signal
- correction
- correction circuit
- correction curve
- correction element
- correction factor
- correction lag
- correction of distortion
- correction of phase
- correction range
- correction table
- correction time
- corrective action
- corrective capacity
