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radium sulfate

noun, Chemistry
a white, crystalline, water-insoluble, poisonous, radioactive solid, RaSO 4 , used chiefly in radiotherapy.
Origin of radium sulfate
1970-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for radium sulfate
  • Both companies used radium sulfate paint in their dial painting operations.
  • The only rational explanation is the extremely low solubility of the precipitated radium sulfate species.
  • Radium, in the form of radium sulfate, apparently had not migrated at all.

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