Medical Dictionary


noun ra·dio·iron \-ˈī(-ə)rn\

Medical Definition of RADIOIRON

:  radioactive iron; especially :  a heavy isotope having the mass number 59 produced in nuclear reactors or cyclotrons and used in biochemical tracer studies


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears