radio iron

ra·di·o·i·ron

[rey-dee-oh-ahy-ern]
noun Chemistry.
the radioactive isotope of iron, with atomic weight 59 and a half-life of 46 days: used chiefly as a tracer in biochemistry.

Origin:
1955–60; radio- + iron

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Radio iron is always a great word to know.
So is ort. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a scrap or morsel of food left at a meal.
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