Breadcrumb Home > Thesaurus > T Synonyms of triode Find synonyms for: Noun 1. triode, tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve usage: a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of triode (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: imbroglio Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language