corpuscular radiation

1. Ionizing radiation refers to electromagnetic or corpuscular radiation that directly or indirectly causes ionization of any material.
   一游离辐射：指直接或间接使物质产生游离作用之电磁辐射或粒子辐射。

noun

1. a stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons)

   Synonym:    particulate radiation