Last Updated
：2025/11/21
nitrogen-14
Noun
uncountable
Japanese Meaning
窒素の安定同位体。原子核に7個の陽子と7個の中性子を有し、自然界に存在する窒素の約99%を占める。
Quizzes for review
(physics) A stable isotope of nitrogen, ¹⁴₇N, having seven protons and seven neutrons; it accounts for over 99% of the natural element.
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nitrogen-14
Researchers used nitrogen-14 measurements to study ancient atmospheric composition.
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Researchers used nitrogen-14 measurements to study ancient atmospheric composition.
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