double glazing


Definition of double glazing 

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

First Known Use of double glazing

1833, in the meaning defined above

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The first known use of double glazing was in 1833

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double glazing


English Language Learners Definition of double glazing

: two layers of glass that are set in a window to keep heat inside and reduce noise

More from Merriam-Webster on double glazing

See words that rhyme with double glazing Encyclopedia article about double glazing

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