extrados

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English[edit]

Detail of the skew arch bridge at Boxmoor, showing the stepped extrados (outer curve of the arch)

Etymology[edit]

From French extradossé (outer curve) from Latin extra (outside) + dos (back) (from Latin dorsum).

Noun[edit]

extrados (plural extradoses or extrados)

  1. (architecture) The outer or upper curve of an arch.

Coordinate terms[edit]

Derived terms[edit]