/ 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: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language