Definitions for ionizing radiation
Random House Webster's College Dictionary
any radiation, as a stream of alpha particles or x-rays, that produces ionization as it passes through a medium.
high-energy radiation capable of producing ionization in substances through which it passes
High-energy radiation that is capable of causing ionization in substances through which it passes; also includes high-energy particles.
Dictionary of Military and Associated Terms
Particulate (alpha, beta, and neutron) and electromagnetic (X-ray and gamma) radiation of sufficient energy to displace electrons from atoms, producing ions.
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