Definition of extrados in English:

extrados

noun ɛkˈstreɪdɒsɪkˈstreɪdɒsˈɛkstrəˌdɑs

Architecture

The upper or outer curve of an arch.
〔建筑〕拱背。常与INTRADOS 相对
Often contrasted with intrados
Example sentencesExamples
- 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.
- The outer boundaries of a voussoir are the extrados.

Origin

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

Definition of extrados in US English:

extrados

nounˈɛkstrəˌdɑsˈekstrəˌdäs

Architecture

The upper or outer curve of an arch.
〔建筑〕拱背。常与INTRADOS 相对
Often contrasted with intrados
Example sentencesExamples
- 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).

词汇	extrados
释义	Definition of extrados in English: extrados noun ɛkˈstreɪdɒsɪkˈstreɪdɒsˈɛkstrəˌdɑs Architecture The upper or outer curve of an arch. 〔建筑〕拱背。常与INTRADOS 相对 Often contrasted with intrados Example sentencesExamples 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. The outer boundaries of a voussoir are the extrados. Origin Late 18th century: from French, from Latin extra 'outside' + French dos 'back' (from Latin dorsum). Definition of extrados in US English: extrados nounˈɛkstrəˌdɑsˈekstrəˌdäs Architecture The upper or outer curve of an arch. 〔建筑〕拱背。常与INTRADOS 相对 Often contrasted with intrados Example sentencesExamples 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).
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