AUROUS

adj. A‘r’u’s, Lat., aurosus (from aurum, gold). Fr., aureux. It., auroso. Sp.,aurdso, 1. Belonging to or containing gold, or of a golden color. 2. In chemistry, containing gold asa univalent radicle, Au’. Some compounds, however, in which gold is ap- ‘ently univalent, and which are hence called a. compounds, probably contain 2 atoms of trivalent gold (— Au — Au —) so united that each has only one free bond. [B.|—A. cyanide, A. iodide, ete. See GoLD mono cyanide, GoLD mon iodide.