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radiation

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noun [uncountable] American English pronunciation: radiation /ˌreɪdiˈeɪʃ(ə)n/
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Related dictionary definitions

  1. 1
    chemistry a form of energy produced during a nuclear reaction that is used for making electrical power but can also kill or harm humans who receive too much of it

    There is a clear link between exposure to radiation and some forms of cancer.

    Some workers at the power station were exposed to high levels of radiation.

    Thesaurus entry for this meaning of radiation
    1. a.
      [only before noun] consisting of radiation, or caused by radiation

      a radiation leak

      Thesaurus entry for this meaning of radiation
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This is the American English definition of radiation. View British English definition of radiation.

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