'Neogen' definitions:

Definition of 'Neogen'

From: GCIDE

Neogen \Ne"o*gen\ (n[=e]"[-o]*j[e^]n), n. [Neo- + -gen.] (Chem.) An alloy resembling silver, and consisting chiefly of copper, zinc, and nickel, with small proportions of tin, aluminium, and bismuth. --Ure. [1913 Webster]