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单词 reaction
释义

reaction ​‌‌‌

UK /riˈækʃ(ə)n/

Word Forms

singularreaction
pluralreactions


  1. 1
    countable the way that you feel or behave as a result of something that happens

    My mother’s initial reaction was quite unexpected.

    Synonyms and related words

    Reactions and ways of responding
    1. 1a
      ​usually singulara sudden feeling of being tired, upset etc, for example after an unpleasant or exciting experience

      The reaction of any individual trauma victim is difficult to predict.

      reaction to:

      Shock is a natural reaction to such bad news.

      Synonyms and related words

      Reactions and ways of responding
    See alsoknee-jerk ​

    Collocates

    Adjectives frequently used with reaction
    ▪ adverse, emotional, gut, immediate, initial, instinctive, knee-jerk, natural, violent

  2. 2
    countable a bad effect on your body caused by food, medicine, or another substance
    reaction to:

    Some people’s skin has an allergic reaction to certain types of fabric.

    have/suffer a reaction:

    He suffered a violent reaction to the medicine.

    Synonyms and related words

    Allergies and allergy

    Collocates

    Verbs frequently used with reaction as the object
    ▪ cause, produce, provoke, trigger

  3. 3

    reactions

    plural your ability to think and act quickly in a difficult or dangerous situation

    A tragedy was only prevented by the driver’s quick reactions.

    Synonyms and related words

    Intelligence, intuition and ability to understand
  4. 4
    countable ​chemistrya process in which a chemical change happens

    Temperature can affect the rate of a chemical reaction.

    reaction between:

    We are studying reactions between a number of metals and acids.

    Synonyms and related words

    Chemical reactions and processes
    1. 4a
      countable/uncountable ​physicsa physical force that is caused by an opposite physical force, usually producing a form of energy

      a nuclear reaction

      Newton teaches that action and reaction are equal and opposite.

      Synonyms and related words

      Physical forces and processes
    See alsochain reaction ​
  5. 5
    singular an attitude of wanting to do things in a different way from the way that they were done in the past
    reaction against:

    The reaction against traditional styles continued for another 50 years.

    Synonyms and related words

    A change of opinion
  6. 6
    uncountable ​formalstrong opposition to any social or political change

    the forces of reaction

    Synonyms and related words

    Stubbornness and narrow-mindedness

reaction ​‌‌‌

US /riˈækʃ(ə)n/

Word Forms

singularreaction
pluralreactions


  1. 1
    countable the way that you feel or behave as a result of something that happens

    My mother’s initial reaction was quite unexpected.

    My parents were pretty surprised at my reaction.

    reaction from/of someone:

    The reaction from the local community was very negative.

    someone’s reaction is to do something:

    Their reaction to the report was to ban trade with those countries.

    mixed reaction (=one in which people reacted differently):

    The Fed chairman’s plan received a mixed reaction on Wall Street last night.

    Synonyms and related words

    Reactions and ways of responding
    1. 1a
      ​usually singulara sudden feeling of being tired, upset, etc., for example after an unpleasant or exciting experience

      The reaction of any individual trauma victim is difficult to predict.

      reaction to:

      Shock is a natural reaction to such bad news.

      Synonyms and related words

      Reactions and ways of responding
    See alsoknee-jerk ​

    Collocates

    Adjectives frequently used with reaction
    ▪ adverse, emotional, gut, immediate, initial, instinctive, knee-jerk, natural, violent

  2. 2
    countable a bad effect on your body caused by food, medicine, or another substance
    reaction to:

    Some people’s skin has an allergic reaction to certain types of fabric.

    have/suffer a reaction:

    He suffered a violent reaction to the medicine.

    Synonyms and related words

    Allergies and allergy

    Collocates

    Verbs frequently used with reaction as the object
    ▪ cause, produce, provoke, trigger

  3. 3

    reactions

    plural your ability to think and act quickly in a difficult or dangerous situation

    A tragedy was only prevented by the driver’s quick reactions.

    Synonyms and related words

    Intelligence, intuition and ability to understand
  4. 4
    singular an attitude of wanting to do things in a different way from the way that they were done in the past
    reaction against:

    The reaction against traditional styles continued for another 50 years.

    Synonyms and related words

    A change of opinion
  5. 5
    countable ​chemistrya process in which a chemical change happens

    Temperature can affect the rate of a chemical reaction.

    reaction between:

    We are studying reactions between a number of metals and acids.

    Synonyms and related words

    Chemical reactions and processes
    1. 5a
      countable/uncountable ​physicsa physical force that is caused by an opposite physical force, usually producing a form of energy

      a nuclear reaction

      Newton teaches that action and reaction are equal and opposite.

      Synonyms and related words

      Physical forces and processes
    See alsochain reaction ​
  6. 6
    uncountable ​formalstrong opposition to any social or political change

    the forces of reaction

    Synonyms and related words

    Stubbornness and narrow-mindedness
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更新时间:2026/11/4 23:37:36