人じん工こう放ほう射しゃ性せい核かく種しゅ

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Meanings

noun

artificial radionuclide

Technical term used in nuclear physics, environmental science, and radiation protection. Refers to a radioactive isotope produced by human activity, as opposed to naturally occurring radionuclides.

人じん工こう放ほう射しゃ性せい核かく種しゅの環かん境きょう中ちゅうでの動うごきを調しらべる研けん究きゅうが進すすめられている。
Research is underway to investigate the behavior of artificial radionuclides in the environment.
原げん子し力りょく事じ故こにより、様さま々ざまな人じん工こう放ほう射しゃ性せい核かく種しゅが放ほう出しゅつされた。
Various artificial radionuclides were released due to the nuclear accident.

Kanji

人person
工craft, construction, katakana e radical (no. 48)
放set free, release, fire
射shoot, shine into, onto
性sex, gender, nature
核nucleus, core, kernel
種species, kind, class

Related words

天てん然ねん放ほう射しゃ性せい核かく種しゅ
天然放射性核種 refers to naturally occurring radionuclides, while 人工放射性核種 are those produced artificially.
放ほう射しゃ性せい同どう位い体たい
放射性同位体 (radioisotope) is a broader term that includes both natural and artificial radionuclides; 人工放射性核種 specifically emphasizes the artificial origin.

Built from

人じん工こう+放ほう射しゃ性せい核かく種しゅ

Etymology

Compound of 人工 (artificial), 放射性 (radioactive), and 核種 (nuclide). The term is a direct calque from English 'artificial radionuclide' and is used primarily in scientific contexts.