irradiation

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

Definition of irradiation

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

Recent Examples of irradiation from the Web

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First Known Use of irradiation

1901

in the meaning defined at sense 1

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IRRADIATION Defined for Kids

irradiation

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

Definition of irradiation for Students

: exposure to radiation

Medical Dictionary

irradiation

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

medical Definition of irradiation

1 a : 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 path
b : apparent enlargement of a light or bright object or surface when displayed against a dark background
2 a : 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)


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