blast furnace


Definition of blast furnace

: a furnace in which combustion is forced by a current of air under pressure especially : one for the reduction of iron ore

Examples of blast furnace in a Sentence

Recent Examples on the Web

Demand for lump—a premium type of ore that can be fed directly into a blast furnace, unlike fines that first need processing—has been particularly strong. Rhiannon Hoyle, WSJ, "China’s Cleanup Efforts Create Boom for South African Miner," 4 Aug. 2018 Today, Darby’s large blast furnace can be seen at the Coalbrookdale Museum of Iron. Jonathan Schifman, Popular Mechanics, "The Entire History of Steel," 9 July 2018 The concert took place at the base of the former Bethlehem Steel blast furnaces. Rick Kogan,, "Chicago musician Ken Goldstein had his mind changed about a steel mill. There's now a song and a movie.," 9 July 2018 Nearly 4,700 American jobs have been created since the steel and aluminum tariffs went into effect as businesses like U.S. Steel restart blast furnaces for in Illinois, and Century Aluminum reopened an aluminum smelter in Kentucky. Heather Long, Anchorage Daily News, "Analysis: The first layoffs from Trump's tariffs are here," 26 June 2018 The blast furnace got blazing hot, the iron absorbed more carbon than ever, and the mixture turned into cast iron that could be easily poured into a mold. Jonathan Schifman, Popular Mechanics, "The Entire History of Steel," 9 July 2018 The reopening of the first blast furnace was announced in March, resulting in 500 jobs, and the second was announced in June, adding 300. Glenn Kessler, Washington Post, "President Trump announces a major U.S. Steel expansion — that isn’t happening," 28 June 2018 An employee works in front of the blast furnace at a steel mill in Germany. Richard Barley, WSJ, "How Fast Can the Global Economy Go?," 17 Apr. 2018 But in Granite City, Illinois, the sound of blast furnaces roaring back to life is the area's hope. Andrew Mayeda,, "Across U.S., wary businesses gird for a Trump trade war," 18 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blast furnace.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blast furnace

1706, in the meaning defined above

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The first known use of blast furnace was in 1706

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blast furnace


English Language Learners Definition of blast furnace

: a large structure in which rock containing a metal is melted so that the metal can be separated from the rock

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appealing forcibly to the mind or reason

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