thoron
[thawr-on, thohr-]
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noun Chemistry.
a radioactive isotope of radon, produced by the disintegration of thorium. Symbol: Tn; atomic weight: 220; atomic number: 86.
Origin of thoron
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for thoron
Historical Examples of thoron
But the crusaders embarrassed themselves with the siege of the castle of Thoron.
The History of ChivalryG. P. R. James
thoron
noun
Word Origin for thoron
C20: from thorium + -on
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