radioiodine

[ rey-dee-oh-ahy-uh-dahyn, -din, -deen ]

/ ˌreɪ di oʊˈaɪ əˌdaɪn, -dɪn, -ˌdin /

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noun Chemistry.

any of nine radioisotopes of iodine, especially iodine 131 and iodine 125, used as radioactive tracers in research and clinical diagnosis and treatment.

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Question 1 of 7

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of radioiodine

First recorded in 1935–40; radio- + iodine

Words nearby radioiodine

radiography, radio horizon, radioimmunoassay, radioimmunology, radio interferometer, radioiodine, radioiron, radioisotope, radio knife, radiolabel, radioland