radium F

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noun Chemistry.

an isotope of polonium: polonium 210.

Origin of radium F

First recorded in 1900–05

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for radium f

  • 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