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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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chemical, chemical substance go
material produced by or used in a reaction involving changes in atoms or molecules
material produced by or used in a reaction involving changes in atoms or molecules
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compound, chemical compound go
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
quinone, benzoquinone
any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins
any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins
noun.substance
1 Subcategories
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ubiquinone, coenzyme Q go
any of several quinones found in living cells and that function as coenzymes that transfer electrons from one molecule to another in cell respiration