Definition of extrados in English:

extrados

Line breaks: ex|tra¦dos
Pronunciation: /ɪkˈstreɪdɒs
 
, ɛk-/

noun

Architecture
  • The upper or outer curve of an arch. Often contrasted with intrados.
    More example sentences
    • The outer boundaries of a voussoir are the extrados.
    • It is quite natural to obtain greater values at the intrados and smaller ones at the extrados since the inside fiber of the pipe is under compression while at the same time the outside fiber is under tension, during bending.

Origin

late 18th century: from French, from Latin extra 'outside' + French dos 'back' (from Latin dorsum).

More definitions of extrados

Definition of extrados in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea