Breadcrumb Home > Thesaurus > C Synonyms of crucible steel Find synonyms for: Noun1. crucible steel, steelusage: steel made by the mixture of molten wrought iron, charcoal, and other substances in a crucibleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: triumphalism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language