/ Thesaurus / I Synonyms of ionic beam Find synonyms for: Noun1. ion beam, ionic beam, particle beamusage: a beam of ions moving in the same direction at the same speedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language