/ Thesaurus / N Synonyms of nonparticulate radiation Find synonyms for: Noun1. electromagnetic radiation, electromagnetic wave, nonparticulate radiation, radiationusage: radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric chargeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language