A structure of considerable magnitude, usually with arches or supported on trestles, for carrying a road, as a railroad, high above the ground or water; a bridge; especially, one for crossing a valley or a gorge.

Origin: L. Via a way + -duct, as in aqueduct: cf. F. Viaduc.

(01 Mar 1998)

viability test, viable, viable cell count, viable count < Prev | Next > vial, viand, Vi antibody, Vi antigen

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