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
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.