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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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mineral go
solid homogeneous inorganic substances occurring in nature having a definite chemical composition
solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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alumina, aluminum oxide, aluminium oxide
any of various forms of aluminum oxide occurring naturally as corundum
any of various forms of aluminum oxide occurring naturally as corundum
noun.substance
1 Subcategories
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alundum go
a substance made of fused alumina