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a naturally occurring substance (as ore, petroleum, or water) obtained usually from the ground

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any of various substances (as gold, tin, or copper) that have a more or less shiny appearance, are good conductors of electricity and heat, can be melted, and are usually capable of being shaped; especially : one that is a chemical element rather than an alloy

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any of more than 100 fundamental substances that consist of atoms of only one kind and that cannot be separated by ordinary chemical means into simpler substances

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a silver-white malleable light element that conducts electricity and heat well, is highly resistant to oxidation, and is the most abundant metal in the earth's crust -- see ELEMENT table