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radium F

noun, Chemistry.
an isotope of polonium: polonium 210.
Origin of radium F
1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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  • Turning to the other end of the radium series we are led to ask what becomes of radium-f when in turn it disintegrates?

    Darwin and Modern Science A.C. Seward and Others

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