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

Instead, it was filled with an ancient rainwater cistern that left little room for anything else except a few wobbly wooden shelves for preserves and a sclerotic oil-burning furnace. Bulletin Board, Twin Cities, "Sunday Bulletin Board: Like sands through the hourglass, these are the loads of our lives!," 9 June 2019 The electric furnace has remained unassembled, in pieces, at Fairfield. Bob Tita, WSJ, "U.S. Steel to Expand Under Tariffs," 11 Feb. 2019 Common sources of carbon monoxide gas include heaters, fireplaces, furnaces, and many types of appliances and cooking devices, including charcoal grills or barbecues. Caroline Picard, Good Housekeeping, "SAFETY ALERT: Your Carbon Monoxide Alarm Probably Just Expired This Year," 21 Sep. 2018 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

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

18 Jun 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

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