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thoron: Meaning and Definition of

tho•ron

Pronunciation: (thôr'on, thōr'-), [key]
— n. Chem.
  1. a radioactive isotope of radon, produced by the disintegration of thorium. Symbol: Tn; at. wt.: 220; at. no.: 86.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
Thorold thorough
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