/ Thesaurus / C Synonyms of copperplate engraving Find synonyms for: Noun1. copperplate, copperplate engraving, engravingusage: an engraving consisting of a smooth plate of copper that has been etched or engravedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language