radium-a
radium A
noun Chemistry.
a substance, formed by decay of radon, that gives rise to radium B.
Origin:
1900–05
1900–05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Radium-a
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