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  1. reaction

    • IPA[rɪˈakʃ(ə)n]

    英式

    • n.
      something done, felt, or thought in response to a situation or event;a person's ability to respond physically and mentally to external stimuli
    • noun: reaction, plural noun: reactions

    • 釋義
    • 相關詞

    名詞

    • 1. something done, felt, or thought in response to a situation or event my immediate reaction was one of relief prices fell in reaction to intense competition 同義詞 response, answer, reply, rejoinder, retort, ... 更多
    • a person's ability to respond physically and mentally to external stimuli a skilled driver with quick reactions
    • an adverse physiological response to a substance that has been breathed in, ingested, or touched such allergic reactions as hay fever and asthma
    • a mode of thinking or behaving that is deliberately different from previous modes of thought and behaviour the work of these painters was a reaction against Fauvism 同義詞 backlash, counteraction, recoil
    • opposition to political or social progress or reform the institution is under threat from the forces of reaction 同義詞 conservatism, ultra-conservatism, the right, the right wing, the extreme right, ... 更多
    • 2. a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances a chemical reaction caused by a build-up of particular sodium salts
    • an analogous transformation of atomic nuclei or other particles reactions between photons and electrically charged atomic particles
    • 3. a force exerted in opposition to an applied force the law of action and reaction
    • n.
      a chemical reaction or other process in which the products themselves promote or spread the ...

    Oxford Dictionary

    • n.
      a chemical reaction or other process in which the products themselves promote or spread the ...

    Oxford American Dictionary

    • n.
      the reaction of something, especially the iris of the eye, to different intensities of light.

    Oxford American Dictionary

    • n.
      the reaction of something, especially the iris of the eye, to different intensities of light.

    Oxford Dictionary

    • n.
      the cycle of reactions (the Calvin cycle) which occurs in the second phase of photosynthesis ...

    Oxford American Dictionary

    • n.
      a process that involves rearrangement of the molecular or ionic structure of a substance, as ...

    Oxford Dictionary

    • n.
      a reaction in which one molecule combines with another to form a larger molecule with no other ... we would expect the CO linkage to undergo addition reactions

    Oxford Dictionary

    • n.
      the length of time taken for a person or system to respond to a given stimulus or event: drivers' reaction times were 30 per cent slower when talking on a mobile phone the reaction time for the police has increased due to improved patrol techniques

    Oxford Dictionary

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    • IPA[rēˈakSH(ə)n]

    美式

    • n.
      an action performed or a feeling experienced in response to a situation or event: Carrie's immediate reaction was one of relief

    Oxford American Dictionary