人じん工こう放ほう射しゃ性せい元げん素そ

noun

artificial radioelement

Technical term in physics for a radioactive element produced artificially, as opposed to naturally occurring ones.

• 人じん工こう放ほう射しゃ性せい元げん素そは、原げん子し炉ろや加か速そく器きで作つくられる。

  Artificial radioelements are produced in nuclear reactors or accelerators.