Health / Medical Topics |
Ionizing radiation
Pronunciation
Definition 1
A type of radiation made (or given off ) by x-ray procedures, radioactive substances, rays that enter the Earth's atmosphere from outer space, and other sources. At high doses, ionizing radiation increases chemical activity inside cells and can lead to health risks, including cancer. (NCI Dictionary)
Definition 2
High-energy radiation capable of producing ionization in substances through which it passes. (NCI Thesaurus)
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