clock-frequency
clock-rate
clockspring
clockwise
clockwise-polarized
clog
close
close-confinement
close-coupled
closed
  closed-circuit
closed-coil
closed-cycle
closed-entry
close-differential
closed-loop
closed-packed
closed-shell
closed-system
closed-tube
close-in

    closed-circuit television format

    формат видеозаписи в замкнутой телевизионной системе