Last Updated
：2025/11/21
calcium-42
Noun
uncountable
Japanese Meaning
カルシウムの同位体の一つで、⁴²₂₀Caと表記される。20個の陽子と22個の中性子を持ち、自然界では約0.6%を占める安定な同位体である。
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(physics) A minor stable isotope of calcium, ⁴²₂₀Ca, having twenty protons and twenty-two neutrons; it amounts to about 0.6% of the element in nature
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calcium-42
Researchers used calcium-42 to trace bone formation in the study.
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Researchers used calcium-42 to trace bone formation in the study.
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