noun (n)

• the state of lacking unity(noun.state)

  Antonym:
  unification, union
  

  source: wordnet30
• coming apart(noun.event)

  Synonym:
  breakup, detachment
  

  source: wordnet30
• the distance between things(noun.attribute)

  Example:
  Fragile items require separation and cushioning.
  

  Synonym:
  interval
  

  source: wordnet30
• sorting one thing from others(noun.act)

  Example:
  The separation of wheat from chaff.
  The separation of mail by postal zones.
  

  source: wordnet30
• the social act of separating or parting company(noun.act)

  Example:
  The separation of church and state.
  

  source: wordnet30
• the space where a division or parting occurs(noun.location)

  Example:
  He hid in the separation between walls.
  

  source: wordnet30
• the termination of employment (by resignation or dismissal)(noun.event)

  source: wordnet30
• (law) the cessation of cohabitation of man and wife (either by mutual agreement or under a court order)(noun.act)

  Synonym:
  legal separation
  

  source: wordnet30
• the act of dividing or disconnecting(noun.act)

  source: wordnet30
• The act of separating, or the state of being separated, or separate.(noun)

  source: webster1913