intrados

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Related to intradoses: extrados
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intrados
semicircular arch

in·tra·dos

 (ĭn′trə-dŏs′, -dō′, ĭn-trā′dŏs′, -dōs′)
n. pl. in·tra·dos (-dōz′) or in·tra·dos·es (-dŏs′ĭz) Architecture
The inner curve of an arch.

[French : intra-, within (from Latin intrā-; see intra-) + dos, back (from Old French, from Latin dorsum).]

intrados

(ɪnˈtreɪdɒs)
n, pl -dos or -doses
(Architecture) architect the inner curve or surface of an arch or vault. Compare extrados
[C18: from French, from intra- + dos back, from Latin dorsum]

in•tra•dos

(ˈɪn trəˌdɒs, -ˌdoʊs, ɪnˈtreɪ dɒs, -doʊs)

n., pl. -dos (-ˌdoʊz, -doʊz) -dos•es.
the interior curve or surface of an arch or vault. Compare extrados.
[1765–75; < French, =intra- intra- + dos back]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.intrados - the interior curve of an archintrados - the interior curve of an arch  
curve, curved shape - the trace of a point whose direction of motion changes