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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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physical entity go
an entity that has physical existence
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thing go
a separate and self-contained entity
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unit, building block go
a single undivided natural thing occurring in the composition of something else
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molecule go
(physics and chemistry) the simplest structural unit of an element or compound
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macromolecule, supermolecule go
any very large complex molecule
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protein go
any of a large group of nitrogenous organic compounds that are essential constituents of living cells
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plasma protein go
any of the proteins in blood plasma
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coagulation factor, clotting factor go
any of the factors in the blood whose actions are essential for blood coagulation
Christmas factor, factor IX
coagulation factor whose absence is associated with hemophilia B
noun.substance

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