intrados

[ in-truh-dos, -dohs, in-trey-dos, -dohs ]

/ ˈɪn trəˌdɒs, -ˌdoʊs, ɪnˈtreɪ dɒs, -doʊs /

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noun, plural in·tra·dos [in-truh-dohz, in-trey-dohz], /ˈɪn trəˌdoʊz, ɪnˈtreɪ doʊz/, in·tra·dos·es.Architecture.

the interior curve or surface of an arch or vault.

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Compare extrados.

Origin of intrados

1765–75; <French, equivalent to intra-intra- + dos back; see dosser¹

Words nearby intrados

intraday, intradermal, intradermal nevus, intradermal reaction, intradermal test, intrados, intraembryonic, intrafallopian, intrafascicular, intrafilar, intrafusal

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for intrados

The under or concave side of the voussoirs is called the intrados, and the upper or convex side the extrados of the arch.
The New Gresham Encyclopedia. Vol. 1 Part 2|Various
The inner surface, or intrados, and the remainder of the extrados are smoothly dressed (fig. 38).
The Cultural History of Marlborough, Virginia|C. Malcolm Watkins
In S. Sophia the vault springs from the intrados of the transverse arches, that is, from the lower edge.
Byzantine Churches in Constantinople|Alexander Van Millingen
Intrados: The under or concave face of the solid structure of an arch.
How to judge architecture|Russell Sturgis

It was determined to attempt to stop these leaks by the application of a water-proof cement coating on the intrados of the arch.
Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910|James H. Brace and Francis Mason

British Dictionary definitions for intrados

intrados

/ (ɪnˈtreɪdɒs) /

noun plural -dos or -doses

architect the inner curve or surface of an arch or vaultCompare extrados

Word Origin for intrados

C18: from French, from intra- + dos back, from Latin dorsum

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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intrados

noun, plural in·tra·dos [in-truh-dohz, in-trey-dohz], /ˈɪn trəˌdoʊz, ɪnˈtreɪ doʊz/, in·tra·dos·es.Architecture.

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QUIZ YOURSELF ON AFFECT VS. EFFECT!

Origin of intrados

Words nearby intrados

Example sentences from the Web for intrados

British Dictionary definitions for intrados

noun plural -dos or -doses

Word Origin for intrados