radiosodium
noun
ra·dio·so·di·um
-ˈsōd-ē-əm 
: radioactive sodium
especially
: a heavy isotope having the mass number 24 that is produced in nuclear reactors and is used in the form of a salt (as sodium chloride) chiefly in biochemical tracer studies
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“Radiosodium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/radiosodium. Accessed 23 Nov. 2024.
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