transmission line

American  

noun

Electricity.

1. a system of conductors, as coaxial cable, a wave guide, or a pair of parallel wires, used to transmit signals.

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transmission line British  

noun

1. Sometimes shortened to: line.  a coaxial cable, waveguide, or other system of conductors that transfers electrical signals from one location to another

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Etymology

Origin of transmission line

First recorded in 1905–10

Example Sentences

Most of the impacts appear in the early stages of a project, during transmission line construction, but some persist during operation, the researchers found.

From Los Angeles Times • May 17, 2026

Pizarro has said a leading theory is that a century-old transmission line, which the company had not used for 50 years, may have briefly reenergized, igniting the fire.

From Los Angeles Times • Mar. 18, 2026

A transmission line importing electricity from Uzbekistan was also damaged on Thursday, leaving households in almost 12 provinces without power.

From Barron's • Jan. 24, 2026

Edison has said the leading theory is that the dormant transmission line in Eaton Canyon briefly reenergized on the night of Jan. 7, sparking the fire.

From Los Angeles Times • Dec. 30, 2025

Having determined on the location of the farm water-power electric plant, and its capacity, in terms of electricity, there remains the wiring, for the transmission line, and the house and barn.

From Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine by Anderson, Frederick Irving