遅ち発はつ中ちゅう性せい子し

noun

delayed neutron

Technical term in nuclear physics: a neutron emitted by a fission product some time after the fission event, crucial for reactor control.

• 遅ち発はつ中ちゅう性せい子しは原げん子し炉ろの制せい御ぎょにおいて重じゅう要ような役やく割わりを果はたす。

  Delayed neutrons play an important role in nuclear reactor control.