/ Thesaurus / I Synonyms of ionization chamber Find synonyms for: Noun1. ionization chamber, ionization tube, measuring instrument, measuring system, measuring deviceusage: a measuring instrument that measures the amount of ionizing radiationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language