Breadcrumb Home > Dictionary > Index B blast furnace: Meaning and Definition of Find definitions for: blast' fur"nace Pronunciation: [key] a large vertical furnace for smelting iron from ore, using coke as fuel: designed so as to direct a continuous blast of air through the fuel in order to obtain a high rate of combustion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blastema -blastic TrendingHere are the facts and trivia that people are buzzing about. Animal Group Terminology Largest Countries in the World (by Area) Current Events This Week: January 2023 State Abbreviations Dinosaur Fossils (By U.S. State!) The Chinese Zodiac ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language