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Pronunciation: kon-fig'yu-ra'shun


  1. The general form of a body and its parts.
  2. chemistry the spatial arrangement of atoms in a molecule. The configuration of a compound (a sugar) is the unique spatial arrangement of its atoms such that no other arrangement of these atoms is superimposable thereon with complete correspondence, regardless of changes in conformation (twisting or rotation about single bonds); a change of configuration requires the breaking and rejoining of bonds, as in going from d to l configurations of sugars.

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