Definition of REACTION

noun : REACTION

Source: WordNet 3.1

  • 1. (

    ) (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" ;

  • 2. (

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

  • 3. (

    ) 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" ;

  • 4. (

    ) (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" ;

  • 5. (

    ) 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" ;

  • 6. (

    ) extreme conservatism in political or social matters; "the forces of reaction carried the election" ;

  • 7. (

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


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