a. [ Sp., red. ]
(Zool.) A yellowish beetle (Doryphora decemlineata), with ten longitudinal, black, dorsal stripes. It has migrated eastwards from its original habitat in Colorado, and is very destructive to the potato plant; -- called also
(Geol.) A subdivision of the cretaceous formation of western North America, especially developed in Colorado and the upper Missouri region. [ 1913 Webster ]
n. (Min.) Mercury telluride, an iron-black metallic mineral, found in Colorado. [ 1913 Webster ]