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 The rest of the industry employs blast furnaces, huge and temperamental machines fed round-the-clock with iron ore, coking coal and other ingredients., "China Keeps Churning Out Steel That No One Wants to Buy," 5 May 2020 Just a few blocks from the rusted 16-story blast furnaces that once fired hulking steel beams for the Hoover Dam and the Golden Gate Bridge, OraSure Technologies each day produces thousands of thumbnail-size pads made to spit on. Patricia Cohen, New York Times, "What the Rebirth of This Old Steel Center Means for Trump," 9 Jan. 2020 Steel is first made in extremely high-temperature blast furnaces, where natural iron ore or recycled scrap is purified by fire, and then combined with the right elements to make different kinds of alloys. Caroline Delbert, Popular Mechanics, "For Much Stronger Concrete, Just Add Waste," 8 Apr. 2020 Outside, a towering smoke stack loomed above a landscape of blast furnaces and stockpiles of dangerous minerals. Jason Horowitz, New York Times, "Troubles at an Aging Steel Mill Mirror Italy’s Own," 4 Jan. 2020 Fairfield's tax revenues were crippled in 2015-2016 with the shutdown of U.S. Steel's Fairfield Works blast furnace and the closure of the city's Wal-Mart Supercenter. Carol Robinson |, al, "Few details released as Jefferson County prepares to police Fairfield," 27 Sep. 2019 Coke is used in blast furnaces for steel production. Jc Reindl, Detroit Free Press, "Why President Trump's steel tariff didn't save US Steel workers from layoffs," 21 Dec. 2019 The blast furnace originated there, and thus so, too, did cast iron. The Economist, "Chinese technology With the state’s help, Chinese technology is booming," 27 Dec. 2019 The furnaces can operate with fewer workers and are easier to stop and restart than traditional blast furnaces that must operate continuously to avoid damage. Bob Tita, WSJ, "U.S. Steel to Expand Under Tariffs," 11 Feb. 2019

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.

See More

First Known Use of blast furnace

1706, in the meaning defined above

Keep scrolling for more

Learn More about blast furnace

Time Traveler for blast furnace

Time Traveler

The first known use of blast furnace was in 1706

See more words from the same year

Statistics for blast furnace

Last Updated

17 May 2020

Cite this Entry

“Blast furnace.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

Keep scrolling for more

More Definitions for blast furnace

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

More from Merriam-Webster on blast furnace Encyclopedia article about blast furnace

Comments on blast furnace

What made you want to look up blast furnace? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!