• The apparent enlargement of a bright object seen upon a darkground, due to the fact that the portions of the retina around theimage are stimulated by the intense light; as when a dark spot on awhite ground appears smaller, or a white spot on a dark groundlarger, than it really is, esp. when a little out of focus.


    Irradiation meaning & definition 1 of Irradiation.


  • light or other types of radiation used in order to treat or diagnose a medical condition:

    Irradiation meaning & definition 2 of Irradiation.


  • The process or fact of irradiating or being irradiated.

    Irradiation meaning & definition 3 of Irradiation.

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