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ionizing radiation

Definitions of ionizing radiation
  1. noun
    high-energy radiation capable of producing ionization in substances through which it passes
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    alpha radiation, alpha ray
    the radiation of alpha particles during radioactive decay
    beta radiation, beta ray, electron radiation
    radiation of beta particles during radioactive decay
    cosmic ray
    highly penetrating ionizing radiation of extraterrestrial origin; consisting chiefly of protons and alpha particles; collision with atmospheric particles results in rays and particles of many kinds
    neutron radiation
    radiation of neutrons (as by a neutron bomb)
    X ray, X-radiation, X-ray, roentgen ray, x-ray
    electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
    type of:
    radiation
    energy that is radiated or transmitted in the form of rays or waves or particles
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