/ Thesaurus / E Synonyms of earth science Find synonyms for: Noun1. earth science, natural scienceusage: any of the sciences that deal with the earth or its partsWordNet 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