alpha rays definition

  • noun:
    • Plural as a type of alpha ray.
    • Plural kind of alpha ray.
  • others:
    • Rays of fairly reasonable penetrating energy emitted by radium alongside radioactive substances, and proven to contains favorably charged alpha particles (helium nuclei) having huge velocities but tiny masses. They have been slightly deflected by a stronger magnetic or electric field. Compare beta-ray and gamma ray. Considering that the rays penetrate just a tiny length in dense matter such residing muscle, tiny pellets of radioactive substances emitting alpha rays were accustomed cause local destruction of structure, as in cancer treatment.
    • Rays of fairly low acute power emitted by radium alongside radioactive substances, and demonstrated to contain positively recharged alpha particles (helium nuclei) having huge velocities but little masses. They have been slightly deflected by a solid magnetic or electric industry. Compare beta-ray and gamma ray. Considering that the rays penetrate only a small length in thick matter eg living tissue, little pellets of radioactive substances emitting alpha rays have been always trigger regional destruction of muscle, as in disease treatment.

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  • Hypernym for "alpha rays"
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