Meaning Of The Word Radioactinium

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What's the definition of Radioactinium? Find Radioactinium meanings, definitions and more at the Real Dictionary online.

Radioactinium Meaning

Radioactinium Definition
Radioactinium Definition

What's The Definition Of Radioactinium?

radioactinium in American English
noun: the radioactive isotope of thorium having a mass number 227 and a half-life of 18.8 days

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