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熱外中性子 (ねつがいちゅうせいし) Japanese meaning | Kotomora

熱ねつ外がい中ちゅう性せい子し

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Meanings

1

noun

epithermal neutron

Technical term in nuclear physics and engineering for neutrons with kinetic energy above thermal neutrons (typically >0.025 eV) but below fast neutrons.

熱ねつ外がい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。
Epithermal neutrons play an important role in nuclear reactor control.

Kanji

熱heat, temperature, fever

外outside

中in, inside, middle

性sex, gender, nature

子child, sign of the rat, 11PM-1AM

Similar words

熱ねつ中ちゅう性せい子し
Thermal neutrons have lower energy (in thermal equilibrium with surroundings), while epithermal neutrons are slightly higher in energy.
高こう速そく中ちゅう性せい子し
Fast neutrons have much higher kinetic energy than epithermal neutrons.

Etymology

Compound of 熱外 (epithermal, literally 'outside thermal') and 中性子 (neutron). A modern technical term.