/ Thesaurus / D Synonyms of double helix Find synonyms for: Noun1. double helix, helix, spiralusage: a pair of parallel helices intertwined about a common axis; "the shape of the DNA molecule is a double helix"WordNet 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