coaxial cable

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coaxial cable

A technician connects a coaxial cable to a television set.

Definition

Noun: A type of electrical cable consisting of a central conductor, an insulating layer, a metallic shield (typically a braided mesh), and an outer insulating jacket. It is designed to carry high-frequency electrical signals with low loss and minimal interference.

Usage

This noun is used to refer to the physical cable itself. It is a countable noun. * The internet signal is delivered to the building via a coaxial cable. * Older television antennas were often connected using thick coaxial cables. * The technician replaced the damaged coaxial cable to restore the connection.

Advanced Usage
  • Technical Context: In engineering and telecommunications, "coaxial cable" specifies the construction and electrical properties (e.g., impedance like 50-ohm or 75-ohm) that make it suitable for specific applications like cable television (CATV), broadband internet, or radio frequency (RF) equipment.
    • The amplifier requires a 75-ohm coaxial cable for optimal performance.
  • Abbreviation: Commonly abbreviated in speech and informal writing as coax cable or simply coax.
    • Make sure the coax is securely connected to the modem.
Variants and Related Words
  • Coax cable (n): A common shortened form of "coaxial cable."
  • Coax (n): A further informal abbreviation.
  • Coaxial (adj): Describing the shared-axis geometry. (e.g., , ).
Synonyms
  • Coax
  • RF cable (Radio Frequency cable - a broader category that often uses coaxial design)
Related Phrases/Idioms

(This term is technical and does not have idiomatic phrasal verbs. Common related instructional phrases include:) * To run coaxial cable: To install it. * We need to run coaxial cable from the roof to the living room. * To terminate a coaxial cable: To attach a connector to the end of it. * He learned how to properly terminate a coaxial cable with an F-connector.

coaxial cable

A technician connects a coaxial cable to a television set.

Noun
  1. a transmission line for high-frequency signals

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