extrados

[ ek-struh-dos, -dohs, ek-strey-dos, -dohs ]
/ ˈɛk strəˌdɒs, -ˌdoʊs, ɛkˈstreɪ dɒs, -doʊs /
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noun, plural ex·tra·dos [ek-struh-dohz, ek-strey-dohz] /ˈɛk strəˌdoʊz, ɛkˈstreɪ doʊz/, ex·tra·dos·es. Architecture.

the exterior curve or surface of an arch or vault.

Nearby words

  1. extracurricular,
  2. extracystic,
  3. extraditable,
  4. extradite,
  5. extradition,
  6. extradosed,
  7. extradural,
  8. extradural hemorrhage,
  9. extraembryonic,
  10. extraembryonic membrane

Compare intrados.

Origin of extrados

1765–75; < French, equivalent to extra- extra- + dos back (< Latin dorsum dorsum

Also called back.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for extrados


British Dictionary definitions for extrados

extrados

/ (ɛkˈstreɪdɒs) /

noun plural -dos (-dəʊz) or -doses

architect the outer curve or surface of an arch or vaultCompare intrados

Word Origin for extrados

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