DictionarycoaxSignal cable
noun

coax

A cable with a central conductor surrounded by insulation and an outer conductor.

A length of coax connects the antenna to the receiver.

Etymology

Coax shortens coaxial, which combines “together” with axis. The cable’s inner and outer conductors share a common axis, giving the construction its name.

More examples

  • The installer runs coax through the wall.
  • We replace the damaged coax to restore the signal.
  • This coax has a copper core and an outer shield.

Forms

coax · coaxes

coaxial adjective — Having a common central axis.

Similar words

coaxial cable
Coaxial cable is the full technical term for coax.
cable
Cable is broader and includes designs without concentric conductors.