radioactive iodine
n.
Any of the radioisotopes of iodine, especially I131, I125, or I123, used as tracers in biology and medicine.
Words nearby radioactive iodine
rectifiable,
rectification,
rectified spirit,
rectifier,
rectify,
radioactive iodine,
rectirostral,
rectitis,
rectitude,
rectitudinous,
recto