American Dictionary

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Definition irradiation in American English

irradiation noun

[uncountable] noun
/ɪˌreɪdiˈeɪʃ(ə)n/
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2

the visual effect by which a brightly lit thing appears larger against a dark background

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3

the use of radiation to help to treat injury or disease, for example x-rays, gamma rays or neutrons

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Definition irradiation in American English