cavity wall

American

noun

Masonry.

a wall built with an enclosed inner space to prevent penetration by water.

cavity wall British

noun

a wall that consists of two separate walls, joined by wall-ties, with an airspace between them

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of cavity wall

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Blaan Paterson is in dispute with his local council over his claim that cavity wall insulation has led to nearly a decade of damp conditions.

From BBC • May 10, 2023

The scheme will run from spring 2023 for up to three years, and will focus on low-cost measures such as loft and cavity wall insulation.

From BBC • Nov. 27, 2022

The problem was believed to have happened after workers who replaced the fans damaged the cavity wall, causing the common insulation material to leak out.

From BBC • Nov. 17, 2022

Costs and savings vary considerably, but a typical installation of cavity wall insulation in a mid-terrace house would cost about £390, with annual energy savings of £95.

From BBC • Oct. 20, 2021

The lateral portions of the ethmoid bone are located between the orbit and upper nasal cavity, and thus form the lateral nasal cavity wall and a portion of the medial orbit wall.

From Textbooks • Jun. 19, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023