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radioiodine: Meaning and Definition of
ra•di•o•i•o•dine
Pronunciation: (rā"dē-ō-ī'u-dīn", -din, -dēn"), [key]
— n. Chem.
- any of nine radioisotopes of iodine, esp. iodine 131 and iodine 125, used as radioactive tracers in research and clinical diagnosis and treatment.
