extrados
N ส่วนโค้ง ส่วนนอก
EXTRADOS
Ex *tra "dos, n. Etym: [F.; pref. extra outside + dos (L. dorsum ) the back. ] (Arch. )
ex tra dos |ˈekstrəˌdäs ˈɛkstrədɑs | ▶noun ( pl. same or extradoses ) Architecture the upper or outer curve of an arch. Often contrasted with intrados. ORIGIN late 18th cent.: from French, from Latin extra ‘outside ’ + French dos ‘back ’ (from Latin dorsum ).
extrados |ɪkˈstreɪdɒs, ɛk- | ▶noun Architecture the upper or outer curve of an arch. Often contrasted with intrados. ORIGIN late 18th cent.: from French, from Latin extra ‘outside ’ + French dos ‘back ’ (from Latin dorsum ).
extradós
extradós nombre masculino 1 arq Superficie curva exterior de un arco o de una bóveda que forma su cara convexa .2 arq Línea formada por la parte externa de las dovelas (piedras en forma de cuña para dar forma a arcos y bóvedas ).3 Superficie exterior del ala de un avión .