#ionizing_radiation  high-energy radiation capable of producing ionization in substances through which it passes
  supertype:  #radiation  the physical phenomenon of radiating energy in the form of waves or particles
  subtype:  #alpha_radiation__alpha_ray__alpharay  the radiation of alpha particles during radioactive decay
  subtype:  #beta_radiation__beta_ray__electron_radiation  radiation of beta particles during radioactive decay
  subtype:  #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
  subtype:  #neutron_radiation__neutronradiation  radiation of neutrons (as by a neutron bomb)
  subtype:  #X_ray__X-radiation__roentgen_ray  electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target

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