[ ɪn'treɪdɒs ]
■ noun Architecture the lower or inner curve of an arch. Contrasted with extrados .
Origin
C18: from Fr., from intra- 'on the inside' + dos 'the back' (from L. dorsum ).
[ ɪn'treɪdɒs ]
■ noun Architecture the lower or inner curve of an arch. Contrasted with extrados .
Origin
C18: from Fr., from intra- 'on the inside' + dos 'the back' (from L. dorsum ).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004