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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
apatite
a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate
a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate
noun.substance
1 Subcategories
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fluorapatite go
a form of apatite in which fluorine predominates over chlorine