transmission line


: a metallic circuit of three or more conductors used to send energy usually at high voltage over a considerable distance
specifically : a usually metallic line used for the transmission of signals or for the adjustment of circuit performance and often consisting of a pair of wires suitably separated, a coaxial cable, or a wave guide

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near transmission line

Cite this Entry

“Transmission line.” Dictionary, Merriam-Webster, Accessed 12 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!