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radium F
noun
Chemistry.
an isotope of polonium: polonium 210.
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Word History and Origins
Origin of radium F1
First recorded in 1900–05
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, the substance, historically called radium F, is very hard for doctors to spot once it's in the body.
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