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Last Updated：2025/11/28
Dictionary quizzes to help you remember vocabulary
Dictionary quizzes to help you remember vocabulary

(obsolete) radon

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exactinio

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Source Word

exactinio

Noun
obsolete uncountable
(obsolete) radon
Japanese Meaning
ラドン（放射性の希ガス元素）
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Google Translation / DeepL Translation

19世紀の科学者たちは鉱物試料からラドンの痕跡を検出した。

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(obsolete) radon
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Dictionary quizzes to help you remember vocabulary
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