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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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unit, building block go
a single undivided natural thing occurring in the composition of something else
a single undivided natural thing occurring in the composition of something else
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group, radical, chemical group go
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
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alkyl, alkyl group, alkyl radical go
any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
ethyl, ethyl group, ethyl radical
the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
noun.substance
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