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 reaction reaction

noun

  • () (chemistry) a process in which one or more substances are changed into others  ( chemical reaction, reaction )
    (chemistry) a process in which one or more substances are changed into others
     there was a chemical reaction of the lime with the ground water
    there was a chemical reaction of the lime with the ground water
  • () an idea evoked by some experience  ( reaction )
    an idea evoked by some experience
     his reaction to the news was to start planning what to do
    his reaction to the news was to start planning what to do
  • () a bodily process occurring due to the effect of some antecedent stimulus or agent  ( reaction, response )
    a bodily process occurring due to the effect of some antecedent stimulus or agent
     a bad reaction to the medicine
    a bad reaction to the medicine
     his responses have slowed with age
    his responses have slowed with age
  • doing something in opposition to another way of doing it that you don't like  ( reaction )
    doing something in opposition to another way of doing it that you don't like
     his style of painting was a reaction against cubism
    his style of painting was a reaction against cubism
  • extreme conservatism in political or social matters  ( reaction )
    extreme conservatism in political or social matters
     the forces of reaction carried the election
    the forces of reaction carried the election
  • a response that reveals a person's feelings or attitude  ( reaction )
    a response that reveals a person's feelings or attitude
     he was pleased by the audience's reaction to his performance
    he was pleased by the audience's reaction to his performance
     John feared his mother's reaction when she saw the broken lamp
    John feared his mother's reaction when she saw the broken lamp
  • (mechanics) the equal and opposite force that is produced when any force is applied to a body  ( reaction )
    (mechanics) the equal and opposite force that is produced when any force is applied to a body
     every action has an equal and opposite reaction
    every action has an equal and opposite reaction