/ Thesaurus / D Synonyms of dry ice Find synonyms for: Noun1. dry ice, solidusage: solidified carbon dioxide; dry ice sublimates at -78.5 C and is used mainly as a refrigerantWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language