n. [ L. metallum metal + -graphy: cf. F. métallographie. ] 1. The science or art of metals and metal working; also, a treatise on metals. [ 1913 Webster ]
2. A method of transferring impressions of the grain of wood to metallic surfaces by chemical action. Knight. [ 1913 Webster ]
3. A substitute for lithography, in which metallic plates are used instead of stone. Knight. [ 1913 Webster ]
n. [ L. metallum metal + -graphy: cf. F. métallographie. ] 1. The science or art of metals and metal working; also, a treatise on metals. [ 1913 Webster ]
2. A method of transferring impressions of the grain of wood to metallic surfaces by chemical action. Knight. [ 1913 Webster ]
3. A substitute for lithography, in which metallic plates are used instead of stone. Knight. [ 1913 Webster ]
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