coaxial cable


coaxial cable

noun

: a type of electric cable that is used to send telegraph, telephone, and television signals

Full Definition of COAXIAL CABLE

:  a transmission line that consists of a tube of electrically conducting material surrounding a central conductor held in place by insulators and that is used to transmit telegraph, telephone, and television signals —called also coax cable

First Known Use of COAXIAL CABLE

1936

coaxial cable

noun    (Concise Encyclopedia)

Self-shielded cable used for transmission of communications signals, such as those for television, telephone, or computer networks. A coaxial cable consists of two conductors laid concentrically along the same axis. One conducting wire is surrounded by a dielectric insulator, which is in turn surrounded by the other, outer conductor, producing an electrically shielded transmission circuit. The whole cable is wrapped in a protective plastic sheathing. The signal propagates within the dielectric insulator, while the associated current flow is restricted to adjacent surfaces of the inner and outer conductors. As a result, coaxial cable has very low radiation losses and low susceptibility to external interference.

Variants of COAXIAL CABLE

coaxial cable or coax

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