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cavity wall
noun
, Masonry.
- a wall built with an enclosed inner space to prevent penetration by water.
cavity wall
noun
- a wall that consists of two separate walls, joined by wall-ties, with an airspace between them
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Word History and Origins
Origin of cavity wall1
First recorded in 1905–10
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Example Sentences
Many English provincial authorities in determining the thickness of a cavity-wall, take the outer portion into consideration.
From Project Gutenberg
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