Medical Dictionary


noun \ˈī(-ə)rn\

Medical Definition of IRON

:  a heavy malleable ductile magnetic silver-white metallic element that readily rusts in moist air, occurs native in meteorites and combined in most igneous rocks, is the most used of metals, and is vital to biological processes (as in transport of oxygen in the body)—symbol Fe; see element table
:  iron chemically combined <iron in the blood>
iron adjective
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