reaction

Plural: reactions

Noun

• (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"
• an idea evoked by some experience
  • "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
  • "a bad reaction to the medicine"
• (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 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"
• extreme conservatism in political or social matters
  • "the forces of reaction carried the election"
• doing something in opposition to another way of doing it that you don't like
  • "his style of painting was a reaction against cubism"
• An action or statement in response to a stimulus or other event.
• A transformation in which one or more substances is converted into another by combination or decomposition.
• Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.
• Unpurposeful behavior.
• An icon or emoji appended to a posted message by a user to express their feeling about it.

Examples

• "In this reaction, the acid and base will neutralize each other, producing a salt."
• "The announcement of the verdict brought a violent reaction."
• "When I last tried to eat strawberries I had a terrible allergic reaction."
• "You were in the courtroom. What is your reaction?"

Synonyms

chemical reaction, reax, response, rxn

Related Words

react, reactant, reactional, reactionary, reactor