Breadcrumb Home > Thesaurus > C Synonyms of cathode Find synonyms for: Noun 1. cathode, electrode usage: a negatively charged electrode that is the source of electrons entering an electrical device 2. cathode, terminal, terminus, depot usage: the positively charged terminal of a voltaic cell or storage battery that supplies current WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cathode (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: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language