follow Dictionary.com

How do you spell Hannukah?

radioiron

[rey-dee-oh-ahy-ern] /ˌreɪ di oʊˈaɪ ərn/
noun, Chemistry
1.
the radioactive isotope of iron, with atomic weight 59 and a half-life of 46 days: used chiefly as a tracer in biochemistry.
Origin
1955-1960
1955-60; radio- + iron
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Word of the Day

Difficulty index for radioiron

Few English speakers likely know this word

Word Value for radio

6
6
Scrabble Words With Friends

Quotes with radio-iron