/ Thesaurus / D Synonyms of dubnium Find synonyms for: Noun1. dubnium, Db, hahnium, element 105, atomic number 105, chemical element, elementusage: a transuranic elementWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language