blast furnace

noun

: 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
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The product is used in blast furnaces to produce iron. Stephanie Armour, CBS News, 13 Apr. 2026 The former Exide Technologies plant in Vernon melted down pallets of lead-acid car batteries in blast furnaces for nearly a century, blanketing up to 10,000 nearby properties with toxic dust, according to state officials. Tony Briscoe, Los Angeles Times, 11 Apr. 2026 At Gary Works, blast furnaces produce pig iron, which is then used to create high-strength steel. Maya Wilkins, Chicago Tribune, 5 Apr. 2026 As for how to dress, early April is not the blast furnace of humidity often seen during the Florida summer. Elizabeth Howell, Space.com, 30 Mar. 2026 See All Example Sentences for blast furnace

Word History

First Known Use

1706, in the meaning defined above

Time Traveler
The first known use of blast furnace was in 1706

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Cite this Entry

“Blast furnace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blast%20furnace. Accessed 15 Apr. 2026.

Kids Definition

blast furnace

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

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