coax cable

Thân thiện

A technician connects a coax cable to the back of a television.

Definition

Noun: A type of electrical cable consisting of a central conductor, an insulating layer, a metallic shield, and an outer insulating jacket. It is designed to carry high-frequency electrical signals with low loss and minimal interference from external electromagnetic sources.

Usage

"Coax cable" is used as a countable noun. It refers to the physical cable itself. It is commonly used in contexts involving television, internet, radio frequency (RF), and other telecommunications or data transmission systems.

Examples

• The technician replaced the old coax cable to improve the television signal.
• Most home internet connections still use a coax cable to enter the building.
• You will need a specific type of coax cable for that satellite dish.

Advanced Usage

• Technical Specification: In professional contexts, the type of coax cable is often specified by its impedance (e.g., 50-ohm or 75-ohm cable) or by a standard designation (e.g., RG-6, RG-59).
  • Example: For this antenna, you must use 75-ohm RG-6 coax cable.

Variants and Related Words

• Coaxial cable: The full, more formal term for "coax cable." The terms are interchangeable.
• Coax (noun): A common shortened, informal form of "coax cable."
  • Example: I need to buy some more coax for the router.

Synonyms

• Coaxial line: A more technical synonym, often used in engineering.
• RF cable: A general term for cables carrying radio frequency signals, which are typically coaxial.

Related Phrases

• To run coax: A common phrase meaning to install or lay coaxial cable.
  • Example: We need to run coax from the street to the new house.

Học thuật

Noun

1. a transmission line for high-frequency signals

Từ đồng nghĩa

• coaxial cable
• coax