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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Machine operators are trained as skilled technicians, not line workers, supported by electrical, mechanical and optical engineers, all working in clean rooms and at control screens absent 1950s blast furnaces. Lilian Raji, Forbes.com, 30 Jan. 2026 In late 2024, a Nippon executive said Gary Works would receive about $1 billion, some of which would be dedicated to relining the facility’s blast furnace. Maya Wilkins, Chicago Tribune, 21 Jan. 2026 Technical specifications from the Zhanjiang operation indicate that this line can reduce carbon emissions by 50 to 80 percent compared to conventional blast furnace methods. Aman Tripathi, Interesting Engineering, 25 Dec. 2025 The system works like a toaster crossed with a blast furnace. IEEE Spectrum, 30 Oct. 2025 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 14 Feb. 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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