/ Thesaurus / T Synonyms of transmission channel Find synonyms for: Noun1. channel, transmission channel, transmissionusage: a path over which electrical signals can pass; "a channel is typically what you rent from a telephone company"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language