irradiation

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noun ir·ra·di·a·tion \i-ˌrā-dē-ˈā-shən\

Definition of irradiation

  1. 1 :  exposure to radiation (such as X-rays or alpha particles)

  2. 2 :  the application of radiation (such as X-rays or gamma rays) for therapeutic purposes or for sterilization (as of food); also :  partial or complete sterilization by irradiation

1901

First Known Use of irradiation

1901


IRRADIATION Defined for Kids

irradiation

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noun ir·ra·di·a·tion \i-ˌrā-dē-ˈā-shən\

Definition of irradiation for Students

  1. :  exposure to radiation


Medical Dictionary

irradiation

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noun ir·ra·di·a·tion \ir-ˌād-ē-ˈā-shən\

Medical Definition of irradiation

  1. 1a:  the radiation of a physiologically active agent from a point of origin within the body; especially :  the spread of a nerve impulse beyond the usual conduction pathb:  apparent enlargement of a light or bright object or surface when displayed against a dark background

  2. 2a:  exposure to radiation (as X-rays or alpha particles)b:  application of radiation (as X-rays or gamma rays) for therapeutic purposes or for sterilization (as of food)

  3. 3:  irradiance



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