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Definition of 'group'


  1. any number of entities (members) considered as a unit
       Synonyms: grouping
  2. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
       Synonyms: radical chemical group
  3. a set that is closed, associative, has an identity element and every element has an inverse
       Synonyms: mathematical group


  1. arrange into a group or groups; "Can you group these shapes together?"
  2. form a group or group together
       Synonyms: aggroup

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