reaction

Noun

• doing something in opposition to another way of doing it that you don't like
  • his style of painting was a reaction against cubism
    

• extreme conservatism in political or social matters
  • the forces of reaction carried the election
    

• a response that reveals a person's feelings or attitude
  • he was pleased by the audience's reaction to his performance
    
  • 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
  • every action has an equal and opposite reaction
    

• a bodily process occurring due to the effect of some antecedent stimulus or agent
  • a bad reaction to the medicine
    
  • his responses have slowed with age
    

• an idea evoked by some experience
  • his reaction to the news was to start planning what to do
    

• (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
    

Related words

• Synonyms: 
  response , chemical reaction