mass action

• Terme désignant un comportement coordonné et à grande échelle d'un groupe d'individus ou d'entités, souvent utilisé dans un contexte politique, social ou scientifique pour décrire une action collective ou un phénomène où de nombreuses particules ou agents agissent ensemble.

A term describing coordinated, large-scale behavior by a group of individuals or entities, often used in political, social, or scientific contexts to refer to collective action or a phenomenon where many particles or agents act together.

1. Collective political or social actionB2formal

   A large-scale coordinated effort by a group of people to achieve a political or social goal.

   action collective

   • The protest was a powerful example of mass action.
   • Mass action by citizens forced the government to change the law.
   • The union organized a mass action to demand better working conditions.

2. Law of mass actionC1formal

   A principle in chemistry stating that the rate of a chemical reaction is proportional to the product of the concentrations of the reactants.

   loi d'action de masse

   • The law of mass action explains how reaction rates change with concentration.
   • Students studied the mass action principle in their chemistry class.
   • The equilibrium constant is derived from the law of mass action.