Breadcrumb Home > Thesaurus > K Synonyms of klystron Find synonyms for: Noun 1. klystron, tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve usage: an electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of klystron (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language