radiosodium

noun
ra·​dio·​so·​di·​um | \ -ˈsōd-ē-əm How to pronounce radiosodium (audio) \

Medical Definition of radiosodium

: 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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of or relating to a parable or parabola

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