Definition of reaction

You can enter up to 15 letters and use up to 2 wildcards in the search. Use question mark (?) for wildcard searches.
Word Finders
Word Lists

Scrabble & Words with friends points

  • reaction is a valid Scrabble US word with a point value of 10
  • reaction is a valid Scrabble UK word with a point value of 10
  • reaction is a valid Words with friends word with a point value of 12

Definition of reaction

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

    Examples

    1. there was a chemical reaction of the lime with the ground water

    Synonyms

    1. chemical reaction
  • a bodily process occurring due to the effect of some antecedent stimulus or agent (noun)

    Examples

    1. a bad reaction to the medicine

    Synonyms

    1. response
  • an idea evoked by some experience (noun)

    Examples

    1. his reaction to the news was to start planning what to do
  • a response that reveals a person's feelings or attitude (noun)

    Examples

    1. he was pleased by the audience's reaction to his performance
    2. John feared his mother's reaction when she saw the broken lamp
  • doing something in opposition to another way of doing it that you don't like (noun)

    Examples

    1. his style of painting was a reaction against cubism
  • extreme conservatism in political or social matters (noun)

    Examples

    1. the forces of reaction carried the election
  • (mechanics) the equal and opposite force that is produced when any force is applied to a body (noun)

    Examples

    1. every action has an equal and opposite reaction

See definition of reaction in Merriam Webster