[in-truh-dos, -dohs, in-trey-dos, -dohs]
- the interior curve or surface of an arch or vault.
Origin of intrados
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for intrados
Intrados: The under or concave face of the solid structure of an arch.How to judge architecture
The under or concave side of the voussoirs is called the intrados, and the upper or convex side the extrados of the arch.
The lower surface or soffit of the arch is the intrados, E, and the upper surface the extrados, F.
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
The four sides of the mold formed the extrados, the intrados, and the two ends of the block; the other two sides being left open.Concrete Construction
Halbert P. Gillette
- architect the inner curve or surface of an arch or vaultCompare extrados
C18: from French, from intra- + dos back, from Latin dorsum