/ Thesaurus / E Synonyms of eucalyptus oil Find synonyms for: Noun1. eucalyptus oil, essential oil, volatile oilusage: an essential oil obtained from the leaves of eucalyptsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language