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"Nickel" Definition
noun
A silvery, hard, ductile, ferromagnetic metallic element used in alloys, in corrosion-resistant surfaces and batteries, and for electroplating. Atomic number 28; atomic weight 58.69; melting point 1,453°C; boiling point 2,732°C; specific gravity 8.902; valence 0, 1, 2, 3. See Table at element.