(n.) The interior curve of an arch; esp., the inner or lower curved face of the whole body of voussoirs taken together. See Extrados.
INTRADOS
Meaning of INTRADOS in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) The interior curve of an arch; esp., the inner or lower curved face of the whole body of voussoirs taken together. See Extrados.
Webster's English dictionary. Английский словарь Webster. 2012