fur·​nace | \ ˈfər-nəs How to pronounce furnace (audio) \

Definition of furnace

: an enclosed structure in which heat is produced (as for heating a house or for reducing ore)

Examples of furnace in a Sentence

Recent Examples on the Web

Workers at its Helsinki plant formerly forged steel blades by hand in 2,700-degree furnaces, repetitive and dangerous work that was slow and costly. William Wilkes, WSJ, "How the World’s Biggest Companies Are Fine-Tuning the Robot Revolution," 14 May 2018 Fire officials were called to the scene in southern San Diego County just after noon, and helped shut the door of the furnace, which had been cremating a body at the time. Jared Gilmour, sacbee, "Crematorium mishap shoots plume of human ashes into air, San Diego officials say | The Sacramento Bee," 24 May 2018 When the weather turns cool, the heat pump produces heat and uses the furnace to blow warm air throughout the house. Joseph Truini, Popular Mechanics, "How a Heat Pump Works," 14 Jan. 2019 Then, right before the team of six leaves for the day, the furnace is emptied and the rolls are left to cool overnight. Amy Verner, Vogue, "Vogue Got an Exclusive Tour of Chanel’s Ateliers While Tonight’s Métiers d’Art Collection Was Being Made," 5 Dec. 2018 Our headphones are about to change dramatically, and Microsoft just put an accelerant into the furnace of change with its new Surface Headphones. Vlad Savov, The Verge, "The headphone wars have begun," 3 Oct. 2018 Two thousand years ago, the Romans smelted precious ores in clay furnaces, extracting silver and belching lead into the sky. Katie Langin, Science | AAAS, "Top stories: HPV vaccine debate, 2000-year-old pollution, and a lawmaker’s views on sea level rise," 18 May 2018 This torch is used as the heat source for their DIY metal melting furnace. Timothy Dahl, Popular Mechanics, "Watch How Easy It Is to Build a Jet Propane Torch," 11 July 2016 An overworked furnace can also experience mechanical failures. Wilson Weaver, chicagotribune.com, "3 home improvement issues you should never ignore," 9 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word '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 furnace

13th century, in the meaning defined above

History and Etymology for furnace

Middle English furnas, from Anglo-French forneise, from Latin fornac-, fornax; akin to Latin formus warm — more at therm

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Dictionary Entries near furnace





furnace black


furnace oil

Statistics for furnace

Last Updated

9 Apr 2019

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Time Traveler for furnace

The first known use of furnace was in the 13th century

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More Definitions for furnace



English Language Learners Definition of furnace

: one for melting metals
chiefly US : one for heating a building or apartment


fur·​nace | \ ˈfər-nəs How to pronounce furnace (audio) \

Kids Definition of furnace

: an enclosed structure in which heat is produced (as for heating a house or melting metals)

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More from Merriam-Webster on furnace

Spanish Central: Translation of furnace

Nglish: Translation of furnace for Spanish Speakers

Britannica English: Translation of furnace for Arabic Speakers

Britannica.com: Encyclopedia article about furnace

Comments on furnace

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an enemy or opponent

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