• noun
• synonym
• antonym

• iodine-125 (noun)
  1. light radioactive isotope of iodine with a half-life of 60 days; used as a tracer in thyroid studies and as a treatment for hyperthyroidism
• iodine-131 (noun)
  1. heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goitre
• radioactive iodine excretion test (noun)
  1. radioactive iodine test that measures the amount of radioactive iodine excreted in the urine
• radioactive iodine test (noun)
  1. test of thyroid function in which the patient is given an oral dose of radioactive iodine-131
• radioactive iodine uptake test (noun)
  1. radioactive iodine test that measures the amount of radioactive iodine taken up by the thyroid gland
• tincture of iodine (noun)
  1. a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
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