INTRADOS
In *tra "dos, n. Etym: [F., fr. L. intra within + F. dos the back, L.dorsum. Cf. Extrados. ] (Arch. )
intrados
in tra dos |ˈintrəˌdäs, -ˌdōs, inˈtrā -ˈɪntrədɑs | ▶noun ( pl. same or intradoses ) Architecture the lower or inner curve of an arch. Often contrasted with extrados. ORIGIN late 18th cent.: from French, from intra- ‘on the inside ’ + dos ‘the back ’ (from Latin dorsum ).
intrados |ɪnˈtreɪdɒs | ▶noun Architecture the lower or inner curve of an arch. Often contrasted with extrados. ORIGIN late 18th cent.: from French, from intra- ‘on the inside ’ + dos ‘the back ’ (from Latin dorsum ).
intradós
intradós nombre masculino arq Superficie curva interior de un arco o de una bóveda por su cara cóncava .