furnace
noun
fur·nace ˈfər-nəs 
: an enclosed structure in which heat is produced (as for heating a house or for reducing ore)
Example Sentences
Recent Examples on the Web This system is designed to cool the entire home by forcing cool air through the ducts of the home and out through vents, similar to the way a furnace pushes heated air through ducts and out through vents to heat the home during colder months. 
Timothy Dale, Better Homes & Gardens, 19 July 2022 On May 25, the building burned to the ground because of an overheated furnace. Evan Casey, Journal Sentinel, 10 June 2022 That would have required an industrial furnace, plus some way of transporting the molten material. Chantel Tattoli, Wired, 18 Feb. 2022 For instance, a steel mill owned by ArcelorMittal on Hamburg’s busy harbor in Germany has for years used natural gas to extract the iron that then goes into its electric furnace. New York Times, 30 July 2022 For now, anyway, the team appears to be galvanized by its own furnace of freak-dom. Joseph Goodman | Jgoodman@al.com, al, 21 July 2022 When just 89 out of 692 hospitals met minimum standards, the regents of the college descended to the basement of the hotel where they were gathered and flung the pages into the furnace. Michael L. Millenson And J. Matthew Austin, STAT, 24 May 2022 Bryan’s head was never found, and police theorized the perpetrators had disposed of it in the furnace at their dental school. Andrew Wolfson, The Courier-Journal, 4 May 2022 Investigators said in 2009 that the incestuous killer burned his son's body in a furnace. Audrey Conklin, Fox News, 22 Apr. 2022 See More
Timothy Dale, Better Homes & Gardens, 19 July 2022 On May 25, the building burned to the ground because of an overheated furnace. Evan Casey, Journal Sentinel, 10 June 2022 That would have required an industrial furnace, plus some way of transporting the molten material. Chantel Tattoli, Wired, 18 Feb. 2022 For instance, a steel mill owned by ArcelorMittal on Hamburg’s busy harbor in Germany has for years used natural gas to extract the iron that then goes into its electric furnace. New York Times, 30 July 2022 For now, anyway, the team appears to be galvanized by its own furnace of freak-dom. Joseph Goodman | Jgoodman@al.com, al, 21 July 2022 When just 89 out of 692 hospitals met minimum standards, the regents of the college descended to the basement of the hotel where they were gathered and flung the pages into the furnace. Michael L. Millenson And J. Matthew Austin, STAT, 24 May 2022 Bryan’s head was never found, and police theorized the perpetrators had disposed of it in the furnace at their dental school. Andrew Wolfson, The Courier-Journal, 4 May 2022 Investigators said in 2009 that the incestuous killer burned his son's body in a furnace. Audrey Conklin, Fox News, 22 Apr. 2022 See More Word History
Etymology
Middle English furnas, from Anglo-French forneise, from Latin fornac-, fornax; akin to Latin formus warm — more at therm
First Known Use
13th century, in the meaning defined above
Phrases Containing furnace
Kids Definition
furnace
noun
fur·nace ˈfər-nəs
: an enclosed structure in which heat is produced (as for heating a house or melting metals)