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Definition of Extrados
1. Noun. The exterior curve of an arch.
Definition of Extrados
1. n. The exterior curve of an arch; esp., the upper curved face of the whole body of voussoirs. See Intrados.
Definition of Extrados
1. Noun. The outer or upper curve of an arch. ¹
¹ Source: wiktionary.com
Definition of Extrados
1. the outer curve of an arch [n -ES]