coaxial cable


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, television, and Internet signals

called also coax cable

Examples of coaxial cable in a Sentence

Recent Examples on the Web

The cable industry has abused geographic monopolies to raise prices almost since the first coaxial cables were strung on telephone poles. Andy Kessler, WSJ, "AT&T’s ‘South Park’ Argument," 18 Mar. 2018 In the case of a coaxial cable, the dielectric is usually chosen such that a 50Ohm resistor will match the properties of the cable. Chris Lee, Ars Technica, "Perfect Wi-Fi energy harvester gathers scant bounty," 15 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coaxial cable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of coaxial cable

1935, in the meaning defined above

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Dictionary Entries near coaxial cable




coaxial cable

coaxial speaker



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Time Traveler for coaxial cable

The first known use of coaxial cable was in 1935

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More Definitions for coaxial cable

coaxial cable


English Language Learners Definition of coaxial cable

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

More from Merriam-Webster on coaxial cable Encyclopedia article about coaxial cable

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