double glazing

noun

: two layers of glass with a small insulating gap in between set in a window to reduce heat flow in either direction

Examples of double glazing in a Sentence

Recent Examples on the Web
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Polished concrete floors, underfloor heating powered by an air-source heat pump, and full double glazing give the home a clean, efficient, and distinctly modern finish. Abby Montanez, Robb Report, 29 Apr. 2026 Each of the new classrooms maintains the roof heights of the earlier structures, and the configuration of the windows is identical, although the new units are a bit beefier to include energy-efficient double glazing with thermal breaks that the originals lacked. Edward Keegan, Chicago Tribune, 24 Aug. 2025 Over the years, countless sponsors have added their name to the stadium, including a radio station, a building society and even a double glazing firm. Richard Sutcliffe, New York Times, 10 May 2025 The car is utterly silent, thanks to 220 pounds of acoustic damping, plus double glazing and felt insulation within a twin-section of floor and bulkhead. Hannah Elliott, Bloomberg.com, 30 Sep. 2020 For soundproofing, the Ghost uses more than 220 pounds of acoustic damping, plus double glazing and felt insulation within a twin-section floor and bulkhead. Mike Duff, Car and Driver, 1 Sep. 2020

Word History

First Known Use

1833, in the meaning defined above

Time Traveler
The first known use of double glazing was in 1833

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Cite this Entry

“Double glazing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/double%20glazing. Accessed 7 May. 2026.

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