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'reaction' in a sentence

Learn how to use 'reaction' with 19 example sentences.


reaction noun

: (chemistry) a process in which one or more substances are changed into others

: an idea evoked by some experience

: a bodily process occurring due to the effect of some antecedent stimulus or agent

: (mechanics) the equal and opposite force that is produced when any force is applied to a body

: a response that reveals a person's feelings or attitude

: extreme conservatism in political or social matters

: doing something in opposition to another way of doing it that you don't like


  • What happens when you have an allergic reaction?
  • I just wanted to see your reaction.
  • You need to have quick reactions to play these computer games.
  • Your reaction wasn't surprising at all.
  • It started a chain reaction.
  • When acid touches metal, a chemical reaction happens.
  • What was his reaction to this news?
  • For every action there is an equal and opposite reaction.
  • Observe his facial reaction when we mention a price.
  • I don't understand your reaction.
  • It's a very natural reaction.
  • I can see how that might be your first reaction.
  • I was stunned by the speed of its reaction.
  • There was a chain-reaction crash during rush hour.
  • Reaction time decreases with age.
  • Stars undergo nuclear reactions that burn hydrogen in their cores.
  • The allergic reaction made him angry.
  • A chemical reaction takes place in one or more steps.
  • Is there any adverse reaction?
  • Words related to 'reaction'


    Words near 'reaction' in the dictionary