1
: ore
2
: an inorganic substance (as in the ash of calcined tissue)
3
obsolete
: mine
4
: something neither animal nor vegetable
5
a
: a solid homogeneous crystalline chemical element or compound that results from the inorganic processes of nature
broadly
: any of various naturally occurring homogeneous substances (such as stone, coal, salt, sulfur, sand, petroleum, water, or natural gas) obtained usually from the ground
b
: a synthetic substance having the chemical composition and crystalline form and properties of a naturally occurring mineral
6
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Merriam-Webster unabridged
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