aluminum bronze

An alloy of copper and aluminum resembling gold in color and almost untarnishable. al-um-in-oŭs, a . [Lat. alumin is , gen it. of alumen alum, and suffix -ous = full of.] Composed, at least, in part of alumina, or in some other way pertaining to alumina. "When the first aluminous solution, containing not le than 4 or 5 per cent. of alumina.."- Graham : Chem . , 2nd ed., vol. ii., p. 759.