radium sulfate: Meaning and Definition of

ra'dium sul'fate

Pronunciation: [key]
— Chem. Chem.
  1. a white, crystalline, water-insoluble, poisonous, radioactive solid, RaSO, used chiefly in radiotherapy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.