Skip to main content
extrados

extrados

1 9.9
Outer curved surface of an arch that forms its outside edge
  • noun
  • /ˈɛkstrəˌdɔs/
  • Specialized
: extrados
  • The engineer measured the extrados of the stone arch to ensure its uniform curve.

Examples

  • The thickness of the extrados can affect both the strength and appearance of an arch.

  • Decorative carvings adorned the extrados of the cathedral's main entrance arch.

  • The extrados of the arch is beautifully shaped.

  • Can you see the extrados from this angle?

  • The engineer measured the extrados of the stone arch to ensure its uniform curve.

  • Decorative carvings adorned the extrados of the cathedral's main entrance arch.

  • The thickness of the extrados can affect both the strength and appearance of an arch.

How Internal

intrados
  • Specialized
1 9.9
extrados
  • Specialized
1 9.9

Surface Forms

extrados singular
extradoses plural

Etymology

The word extrados comes from the parts extra 'outside' and dorsum 'back', so it literally names the 'outside back' of an arch. That's why the extrados is the outer curve or surface you can see on an arch.