/ Thesaurus / A Synonyms of aluminum oxide Find synonyms for: Noun1. alumina, aluminum oxide, aluminium oxide, corundom, corundumusage: any of various forms of aluminum oxide occurring naturally as corundumWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language