extrados

noun
ex·​tra·​dos | \ ˈek-strə-ˌdäs How to pronounce extrados (audio) , -ˌdō; ek-ˈstrā-ˌdäs \
plural extradoses\ ˈek-​strə-​ˌdä-​səz How to pronounce extrados (audio) \ or extrados\ ˈek-​strə-​ˌdōz How to pronounce extrados (audio) , -​ˌdäs \

Definition of extrados

: the exterior curve of an arch — see arch illustration

First Known Use of extrados

1772, in the meaning defined above

History and Etymology for extrados

French, from Latin extra + French dos back — more at dossier

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The first known use of extrados was in 1772

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extradition

extrados

extradotal

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Cite this Entry

“Extrados.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrados. Accessed 5 Aug. 2021.

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