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Dictionary


ra•di•o•tho•ri•um



Pronunciation: (rā"dē-ō-thôr'ē-um, -thōr'-), [key]
n. Chem.
a disintegration product of thorium.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

radiothonradiotoxic
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