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cavity wall

noun, Masonry.
a wall built with an enclosed inner space to prevent penetration by water.
Origin of cavity wall
1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for cavity wall
  • The earlier intense radiation had colored the salt of the cavity wall various shades of blue, green, and violet.
British Dictionary definitions for cavity wall

cavity wall

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
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