noun (n)

• equality of distribution(noun.shape)

  Synonym:
  balance, counterbalance, equilibrium
  

  source: wordnet30
• Equality of weight or force; hence, equilibrium; a state in which the two ends or sides of a thing are balanced, and hence equal; state of being equally balanced; -- said of moral, political, or social interests or forces.(noun)

  source: webster1913