/ Thesaurus / O Synonyms of opalescence Find synonyms for: Noun1. opalescence, iridescence, brightnessusage: the visual property of something having a milky brightness and a play of colors from the surfaceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language