mass action


Definition of mass action

  1. 1 :  action involving masses of people a period of mass action in which the individual has often felt lost — F. E. Hill by one single mass action, to improve the case of workers on a scale never attempted — F. D. Roosevelt concerted, public, mass action — Eugene Dennis

  2. 2 :  uncoordinated gross motor behavior :  random or nonspecific responses characteristic especially of infants

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a brief usually trivial fact

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