/ Thesaurus / C Synonyms of cro Find synonyms for: Noun1. oscilloscope, scope, cathode-ray oscilloscope, CRO, electronic equipmentusage: electronic equipment that provides visual images of varying electrical quantitiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language