VIADUCT
\vˈa͡ɪədˌʌkt], \vˈaɪədˌʌkt], \v_ˈaɪ_ə_d_ˌʌ_k_t]\
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A bridge for carrying a roadway over a valley or ravine, etc., built of masonry arches or of short steel spans mounted on high steel towers.
By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
By William Hand Browne, Samuel Stehman Haldeman
By James Champlin Fernald
Word of the day
Procollagen Proline Dioxygenase
- mixed-function oxygenase that catalyzes hydroxylation prolyl-glycyl-containing-peptide, usually in protocollagen, hydroxyprolylglycyl-peptide. The enzyme utilizes molecular oxygen with a concomitant oxidative decarboxylation of 2-oxoglutarate to succinate. EC 1.14.11.2.