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radiation - definition and synonyms


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noun [uncountable] radiation pronunciation in British English /ˌreɪdiˈeɪʃ(ə)n/
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  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.

    1. a.
      [only before noun] consisting of radiation, or caused by radiation

      a radiation leak

  2. 2
    physics a type of energy that is sent out in the form of electromagnetic waves, for example, heat, light, or radio waves

    ultraviolet radiation from the sun

Open Dictionary


another way of saying congratulations, or that something/someone looks nice or fascinating

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