Try Our Apps


The Best Internet Slang


[ek-struh-dos, -dohs, ek-strey-dos, -dohs] /ˈɛk strəˌdɒs, -ˌdoʊs, ɛkˈstreɪ dɒs, -doʊs/
noun, plural extrados
[ek-struh-dohz, ek-strey-dohz] /ˈɛk strəˌdoʊz, ɛkˈstreɪ doʊz/ (Show IPA),
extradoses. Architecture.
the exterior curve or surface of an arch or vault.
Also called back.
Compare intrados.
Origin of extrados
1765-75; < French, equivalent to extra- extra- + dos back (< Latin dorsum dorsum Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for extrados
Historical Examples
British Dictionary definitions for extrados


noun (pl) -dos (-dəʊz), -doses
(architect) the outer curve or surface of an arch or vault Compare intrados
Word Origin
C18: from French, from extra- + dos back, from Latin dorsum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for extrados

Few English speakers likely know this word

Word Value for extrados

Scrabble Words With Friends

Nearby words for extrados