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subchannel

The English word “subchannel” has 3 meanings listed here.

noun

  1. A distinct division of a channel or frequency band.
  2. An additional frequency owned by a television broadcaster used for less lucrative content.
  3. A distinct part of an I/O channel associated with a specific device.

Etymology

From sub- + channel.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.