English edit

Etymology edit

radio- +‎ iodine

Noun edit

radioiodine (countable and uncountable, plural radioiodines)

  1. (physics, medicine) The radioactive isotope of iodine, 13153I, having a half-life of 8 days; used as a medical tracer
    • 2008, Kevin J. Harrington, Richard G. Vile, Hardev S. Pandha, Viral Therapy of Cancer, page 336:
      Thyroid cells, in contrast to other cells, have the capability to organify iodine, which increases the time radioiodine can deposit energy.

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