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American English: /riˈækʃ(ə)n/
British English: /rɪˈakʃ(ə)n/

Translation of reaction in Spanish:


  • 1 countable and uncountable 1.1 (response) reaction to somethingthe rash must be a reaction to the drugs
    el sarpullido debe de ser una reacción a los fármacos
    what was her reaction to the news?
    ¿cómo reaccionó or cuál fue su reacción frente a or ante la noticia?
    her gut reaction was to pull out
    su reacción instintiva fue echarse atrás
    after yesterday's rise in interest rates, there was a sharp reaction on Wall Street
    la subida de los tipos de interés de ayer provocó una fuerte sacudida en Wall Street
    (before noun) reaction time
    tiempo (masculine) de reacción
    Example sentences
    • And for an immediate reaction to today's events I think we can speak to Tom Hilton.
    • Fifth, anger can be an immediate reaction to an isolated event or it can be a response after numerous events.
    • I accept full responsibility for my reaction to a bad situation.
    1.2 (Chemistry) chemical/nuclear reaction
    reacción química/nuclear
    Example sentences
    • There are many important industrial processes that use electrophilic reactions.
    • By contrast, making Kevlar involves a complex series of organic reactions in hot sulphuric acid at high pressures.
    • More to the point, it has facilitated many reactions that depend upon acetic acid as a reagent or solvent.
    Example sentences
    • Furthermore, the compound nuclei produced in cold-fusion reactions contain a relatively small number of neutrons.
    • It studies the structure of nuclei, and their reactions and interactions.
    • They're produced during nuclear fusion, the reaction that lights the sun and other stars.
  • 2 uncountable (Politics) [derogatory] the forces of reaction
    las fuerzas reaccionarias or de la reacción [derogatory]
    Example sentences
    • It is no coincidence that this development has occurred during a period of deepening social and political reaction.
    • This process of social and political reaction cannot be adequately explained as the result of the evil intentions of one or another president.
    • American politics has assumed the form of a sweeping social reaction, aimed at overturning the reformist legacy of the New Deal.
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