/ Thesaurus / S Synonyms of solar prominence Find synonyms for: Noun1. solar prominence, solar radiationusage: large eruptions of luminous hydrogen gas that rise thousands of kilometers above the chromosphereWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language